APA (7th ed.) Citation

Mitchell, E. D. (1962). A walrus and a sea lion from the Pliocene Purisima Formation at Santa Cruz, California: With remarks on the type locality and geologic age of the sea lion Dusignathus santacruzensis Kellogg. Los Angeles County Museum.

Chicago Style (17th ed.) Citation

Mitchell, Edward D. A Walrus and a Sea Lion from the Pliocene Purisima Formation at Santa Cruz, California: With Remarks on the Type Locality and Geologic Age of the Sea Lion Dusignathus Santacruzensis Kellogg. Los Angeles, Calif: Los Angeles County Museum, 1962.

MLA (9th ed.) Citation

Mitchell, Edward D. A Walrus and a Sea Lion from the Pliocene Purisima Formation at Santa Cruz, California: With Remarks on the Type Locality and Geologic Age of the Sea Lion Dusignathus Santacruzensis Kellogg. Los Angeles County Museum, 1962.