APA način citiranja

Ferguson, D., & Sang, T. (2001). Speciation through homoploid hybridization between allotetraploids in peonies (Paeonia). The National Academy of Sciences.

Čikaški stil citiranja

Ferguson, Diane, i Tao Sang. Speciation Through Homoploid Hybridization Between Allotetraploids in Peonies (Paeonia). The National Academy of Sciences, 2001.

MLA način citiranja

Ferguson, Diane, i Tao Sang. Speciation Through Homoploid Hybridization Between Allotetraploids in Peonies (Paeonia). The National Academy of Sciences, 2001.