Asteroid Mining - Earth Sciences bibliographies - in Harvard style

In-text: (Asteroid Mining, 2015)

Your Bibliography: Chapters.marssociety.org. 2015. Asteroid Mining. [online] Available at: <http://chapters.marssociety.org/winnipeg/asteroid.html> [Accessed 8 March 2015].

In-text: (Kelvey, 2015)

Your Bibliography: Kelvey, J., 2015. Asteroid Mining Could Become a Reality in Our Lifetimes. Is It Even Legal?. [online] Slate Magazine. Available at: <http://www.slate.com/articles/health_and_science/space_20/2014/10/asteroid_mining_and_space_law_who_gets_to_profit_from_outer_space_platinum.html> [Accessed 8 March 2015].

In-text: (Asteroid Mining: Key to the Space Economy, 2015)

Your Bibliography: Nss.org. 2015. Asteroid Mining: Key to the Space Economy. [online] Available at: <http://www.nss.org/settlement/asteroids/key.html> [Accessed 8 March 2015].

In-text: (Planetary Resources | The Asteroid Mining Company, 2015)

Your Bibliography: Planetaryresources.com. 2015. Planetary Resources | The Asteroid Mining Company. [online] Available at: <http://www.planetaryresources.com/> [Accessed 8 March 2015].

In-text: (Tech billionaires bankroll gold rush to mine asteroids, 2015)

Your Bibliography: Reuters. 2015. Tech billionaires bankroll gold rush to mine asteroids. [online] Available at: <http://www.reuters.com/article/2012/04/24/us-space-asteroid-mining-idUSBRE83N06U20120424> [Accessed 8 March 2015].

In-text: (Sonter, 1997)

Your Bibliography: Sonter, M., 1997. The technical and economic feasibility of mining the near-earth asteroids. Acta Astronautica, 41(4-10), pp.637-647.

In-text: (Asteroid Mining Venture Backed by Google Execs, James Cameron Unveiled, 2015)

Your Bibliography: Space.com. 2015. Asteroid Mining Venture Backed by Google Execs, James Cameron Unveiled. [online] Available at: <http://www.space.com/15395-asteroid-mining-planetary-resources.html> [Accessed 8 March 2015].

In-text: (How Asteroid Mining Could Work (Infographic), 2015)

Your Bibliography: Space.com. 2015. How Asteroid Mining Could Work (Infographic). [online] Available at: <http://www.space.com/15391-asteroid-mining-space-planetary-resources-infographic.html> [Accessed 8 March 2015].

In-text: (Asteroid Mining, 2015)

Your Bibliography: Web.mit.edu. 2015. Asteroid Mining. [online] Available at: <http://web.mit.edu/12.000/www/m2016/finalwebsite/solutions/asteroids.html> [Accessed 8 March 2015].