Duellman, W. E. Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V.
Chicago Style (17th ed.) CitationDuellman, William Edward. Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V.
MLA (9th ed.) CitationDuellman, William Edward. Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V.
Warning: These citations may not always be 100% accurate.