APA (7th ed.) Citation

Schwartz, A., & Thomas, R. (1983). The Difficilis complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Carnegie Museum of Natural History.

Chicago Style (17th ed.) Citation

Schwartz, Albert, and Richard Thomas. The Difficilis Complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Pittsburgh: Carnegie Museum of Natural History, 1983.

MLA (9th ed.) Citation

Schwartz, Albert, and Richard Thomas. The Difficilis Complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Carnegie Museum of Natural History, 1983.