APA

Martin C. M., . (1950). Monsters of old Los Angeles: the prehistoric animals of the La Brea tar pits. New York: Viking Press.

Chicago

Martin Charles Morris, . 1950. Monsters of old Los Angeles: the prehistoric animals of the La Brea tar pits. New York: Viking Press.

Harvard

Martin C. M., . (1950). Monsters of old Los Angeles: the prehistoric animals of the La Brea tar pits. New York: Viking Press.

MLA

Martin Charles Morris, . Monsters of old Los Angeles: the prehistoric animals of the La Brea tar pits. New York: Viking Press. 1950.