APA način citiranja

Congreve, C. R., & Lieberman, B. S. (2011). Phylogenetic and Biogeographic Analysis of Sphaerexochine Trilobites. Public Library of Science.

Čikaški stil citiranja

Congreve, Curtis R., i Bruce S. Lieberman. Phylogenetic and Biogeographic Analysis of Sphaerexochine Trilobites. Public Library of Science, 2011.

MLA način citiranja

Congreve, Curtis R., i Bruce S. Lieberman. Phylogenetic and Biogeographic Analysis of Sphaerexochine Trilobites. Public Library of Science, 2011.