APA način citiranja

Valentine, J. W. (1997). Cleavage patterns and the topology of the metazoan tree of life. The National Academy of Sciences of the USA.

Čikaški stil citiranja

Valentine, James W. Cleavage Patterns and the Topology of the Metazoan Tree Of life. The National Academy of Sciences of the USA, 1997.

MLA način citiranja

Valentine, James W. Cleavage Patterns and the Topology of the Metazoan Tree Of life. The National Academy of Sciences of the USA, 1997.