APA Zitierstil

William K Purves. (2004). Life: The science of biology (7.). Free man & company.

Chicago Zitierstil

William K Purves. Life: The Science of Biology. 7. USA: Free man & company, 2004.

MLA Zitierstil

William K Purves. Life: The Science of Biology. 7. Free man & company, 2004.