APA ציטוט

Duellman, W. E. (1963). A New Species of Tree Frog, Genus Phyllomedusa, from Costa Rica.

Citación estilo Chicago

Duellman, William E. A New Species of Tree Frog, Genus Phyllomedusa, From Costa Rica. 1963.

ציטוט MLA

Duellman, William E. A New Species of Tree Frog, Genus Phyllomedusa, From Costa Rica. 1963.