Howard, H. (1966). A possible ancestor of the lucas auk (family Mancallidae) from the Tertiary of Orange County, California. Los Angeles County Museum of Natural History.
Chicago Style (17th ed.) CitationHoward, Hildegarde. A Possible Ancestor of the Lucas Auk (family Mancallidae) from the Tertiary of Orange County, California. Los Angeles, Calif: Los Angeles County Museum of Natural History, 1966.
MLA (9th ed.) CitationHoward, Hildegarde. A Possible Ancestor of the Lucas Auk (family Mancallidae) from the Tertiary of Orange County, California. Los Angeles County Museum of Natural History, 1966.
Warning: These citations may not always be 100% accurate.