APA citiranje

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.

MLA citiranje

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

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