Cita APA (7th ed.)

Killops, S., & Killops, V. (2015). Introduction to organic geochemistry (2nd ed.). Blackwell.

Cita Chicago (17th ed.)

Killops, Stephen, i Vanessa Killops. Introduction to Organic Geochemistry. 2nd ed. Oxford: Blackwell, 2015.

Cita MLA (9th ed.)

Killops, Stephen, i Vanessa Killops. Introduction to Organic Geochemistry. 2nd ed. Blackwell, 2015.