APA-referens (7:e uppl.)

Mast, A. R., & Nyffeler, R. (2003). Using a Null Model to Recognize Significant Co-Occurrence Prior to Identifying Candidate Areas of Endemism. Systematic Biology, 52(2), 271.

Chicago-referens (17:e uppl.)

Mast, Austin R., och Reto Nyffeler. "Using a Null Model to Recognize Significant Co-Occurrence Prior to Identifying Candidate Areas of Endemism." Systematic Biology 52, no. 2 (2003): 271.

MLA-referens (9:e uppl.)

Mast, Austin R., och Reto Nyffeler. "Using a Null Model to Recognize Significant Co-Occurrence Prior to Identifying Candidate Areas of Endemism." Systematic Biology, vol. 52, no. 2, 2003, p. 271.