Cita APA (7th ed.)
Harris, M. (1975). Cows, pigs, wars, & witches: The riddles of culture. Random House.
Cita Chicago (17th ed.)
Harris, Marvin. Cows, Pigs, Wars, & Witches: The Riddles of Culture. New York: Random House, 1975.
Cita MLA (9th ed.)
Harris, Marvin. Cows, Pigs, Wars, & Witches: The Riddles of Culture. Random House, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.