APA-referens

Belk, C., & Maier, V. B. (2010). Biology: Science for life (3rd ed.). Benjamin Cummings.

Chicago-stil citat

Belk, Colleen, och Virginia Borden Maier. Biology: Science for Life. 3rd ed. San Francisco: Benjamin Cummings, 2010.

MLA-referens

Belk, Colleen, och Virginia Borden Maier. Biology: Science for Life. 3rd ed. Benjamin Cummings, 2010.