APA citiranje

Vial, J. L. (1966). Variation in altitudinal populations of the salamander, Bolitoglossa subpalmata, on the Cerro de la Muerte, Costa Rica.

Citación estilo Chicago

Vial, James L. Variation in Altitudinal Populations of the Salamander, Bolitoglossa Subpalmata, On the Cerro De La Muerte, Costa Rica. 1966.

MLA citiranje

Vial, James L. Variation in Altitudinal Populations of the Salamander, Bolitoglossa Subpalmata, On the Cerro De La Muerte, Costa Rica. 1966.