Smoke Alarms - Chemistry bibliographies - in Harvard style

In-text: (An Overview of Smoke Detectors, 2012)

Your Bibliography: AZoSensors.com. 2012. An Overview of Smoke Detectors. [online] Available at: <https://www.azosensors.com/article.aspx?ArticleID=19> [Accessed 13 October 2022].

In-text: (Which is Better: Hardwired or Battery Smoke Alarms? - National Safety Inspections, 2021)

Your Bibliography: National Safety Inspections. 2021. Which is Better: Hardwired or Battery Smoke Alarms? - National Safety Inspections. [online] Available at: <https://www.nationalsafetyinspections.co.uk/blog/which-is-better-hardwired-or-battery-smoke-alarm/#:~:text=Some%20smoke%20detectors%20rely%20exclusively,that%20interrupts%20the%20electrical%20circuit.> [Accessed 12 October 2022].

In-text: (Ionization vs photoelectric, n.d.)

Your Bibliography: Nfpa.org. n.d. Ionization vs photoelectric. [online] Available at: <https://www.nfpa.org/Public-Education/Staying-safe/Safety-equipment/Smoke-alarms/Ionization-vs-photoelectric#:~:text=How%20they%20work%3A%20Ionization%2Dtype,current%20and%20activating%20the%20alarm.> [Accessed 13 October 2022].

In-text: (O'Neill, 2016)

Your Bibliography: O'Neill, A., 2016. Smoke Detectors Pros & Cons. [online] Abacus Plumbing, Air Conditioning & Electrical. Available at: <https://www.abacusplumbing.net/2016/11/smoke-detectors-pros-cons/> [Accessed 13 October 2022].

In-text: (Radionuclide Basics: Americium-241 | US EPA, 2022)

Your Bibliography: US EPA. 2022. Radionuclide Basics: Americium-241 | US EPA. [online] Available at: <https://www.epa.gov/radiation/radionuclide-basics-americium-241#:~:text=department%20for%20instructions.-,Americium%20and%20Health,ingested%20(swallowed)%20or%20inhaled.> [Accessed 12 October 2022].