APA-referens (7:e uppl.)

Killops, S. (2005). Introduction to Organic Geochemistry (2nd ed.). Blackwell.

Chicago-referens (17:e uppl.)

Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Oxford: Blackwell, 2005.

MLA-referens (9:e uppl.)

Killops, Stephon. Introduction to Organic Geochemistry. 2nd ed. Blackwell, 2005.