APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.