APA-referens

Baum, D. A., & Smith, S. D. (2012). Tree thinking: Introduction to Phylogenetic Biology. Roberts.

Chicago-stil citat

Baum, David A., och Stacey D. Smith. Tree Thinking: Introduction to Phylogenetic Biology. Greenwood Village, Colo.: Roberts, 2012.

MLA-referens

Baum, David A., och Stacey D. Smith. Tree Thinking: Introduction to Phylogenetic Biology. Roberts, 2012.