Ardrey, R. (1966). The territorial imperative. New York: A Delta Book.
Trích dẫn kiểu ChicagoArdrey, Robert. The Territorial Imperative. New York: A Delta Book, 1966.
MLA引文Ardrey, Robert. The Territorial Imperative. New York: A Delta Book, 1966.
警告：這些引文格式不一定是100％准確.