APA način citiranja

Killops , S., & Killops , V. (2005). Introduction to organic geochemistry (2nd ed.). Black well publishing company.

Čikaški stil citiranja

Killops , Stephen, i Vanessa Killops. Introduction to Organic Geochemistry. 2nd ed. USA: Black well publishing company, 2005.

MLA način citiranja

Killops , Stephen, i Vanessa Killops. Introduction to Organic Geochemistry. 2nd ed. Black well publishing company, 2005.