APA ציטוט

Erwin, D. H. &. (2013). The Cambrian explosion: The construction of animal biodiversity.

Chicago Edition Citation

Erwin, Douglas H &Valentine. The Cambrian Explosion: The Construction of Animal Biodiversity. Roberts & company, 2013.

ציטוט MLA

Erwin, Douglas H &Valentine. The Cambrian Explosion: The Construction of Animal Biodiversity. 2013.