APA-referens

Gaston, K. j., & Spicer, J. I. (2004). Biodiversity: An introduction (2nd ed.). Blackwell.

Chicago-stil citat

Gaston, Kevin j., och John I. Spicer. Biodiversity: An Introduction. 2nd ed. USA: Blackwell, 2004.

MLA-referens

Gaston, Kevin j., och John I. Spicer. Biodiversity: An Introduction. 2nd ed. Blackwell, 2004.