APA Citatie

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

Chicago Style citaat

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

MLA citatie

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