APA način citiranja

Fugler, C. M., & Walls, A. B. (1979). Individual variation in the Neotropical salamander Bolitoglossa peruviana (Boulenger, 1883) (Amphibia: Plethodontidae) in eastern tropical Ecuador.

Čikaški stil citiranja

Fugler, Charles M., i A. Brad Walls. Individual Variation in the Neotropical Salamander Bolitoglossa Peruviana (Boulenger, 1883) (Amphibia: Plethodontidae) in Eastern Tropical Ecuador. 1979.

MLA način citiranja

Fugler, Charles M., i A. Brad Walls. Individual Variation in the Neotropical Salamander Bolitoglossa Peruviana (Boulenger, 1883) (Amphibia: Plethodontidae) in Eastern Tropical Ecuador. 1979.