APA način citiranja

William Kirwood Purves. (1995). Life, the science of biology. Salt Lake City, Utah: W. H. Freeman.

Čikaški stil citiranja

William Kirwood Purves. Life, the Science of Biology. Salt Lake City, Utah: W. H. Freeman, 1995.

MLA način citiranja

William Kirwood Purves. Life, the Science of Biology. Salt Lake City, Utah: W. H. Freeman, 1995.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.