Gaya APA

Diamond, J. et al (2019). Guns, Germs & Steel : Bedil, Kuman, & Baja) : Rangkuman riwayat masyarakat manusia (Seventh Edition). Jakarta, Indonesia: Kepustakaan Populer Gramedia.

Gaya MLA

Diamond, Jared. et al. "Guns, Germs & Steel : Bedil, Kuman, & Baja) : Rangkuman riwayat masyarakat manusia". Seventh Edition Jakarta, Indonesia: Kepustakaan Populer Gramedia, 2019. Academic.