Camp, C. L. (1917). Another Record for Ascaphus truei Stejneger. Zenodo.
Cita Chicago (17th ed.)Camp, Charles Lewis. Another Record for Ascaphus Truei Stejneger. Zenodo, 1917.
Cita MLA (9th ed.)Camp, Charles Lewis. Another Record for Ascaphus Truei Stejneger. Zenodo, 1917.
Atenció: Aquestes cites poden no estar 100% correctes.