Cita APA (7a ed.)
Walker, E. F. (1943). World crops derived from the Indians. Southwest Museum.
Cita Chicago Style (17a ed.)
Walker, Edwin F. World Crops Derived from the Indians. Los Angeles, California: Southwest Museum, 1943.
Cita MLA (9a ed.)
Walker, Edwin F. World Crops Derived from the Indians. Southwest Museum, 1943.
警告：這些引文格式不一定是100％准確.