Allen, G. M. (1942). Extinct and vanishing mammals of the western hemisphere: With the marine species of all the oceans. American Committee for International Wild Life Protection.
Chicago Style (17th ed.) CitationAllen, Glover Morrill. Extinct and Vanishing Mammals of the Western Hemisphere: With the Marine Species of All the Oceans. [Cambridge? Mass.]: American Committee for International Wild Life Protection, 1942.
MLA (9th ed.) CitationAllen, Glover Morrill. Extinct and Vanishing Mammals of the Western Hemisphere: With the Marine Species of All the Oceans. American Committee for International Wild Life Protection, 1942.
Warning: These citations may not always be 100% accurate.