Johnsgard, P. A. (1965). Handbook of waterfowl behavior. Comstock Pub. Associates.
Chicago Style (17th ed.) CitationJohnsgard, Paul A. Handbook of Waterfowl Behavior. Ithaca, N.Y.: Comstock Pub. Associates, 1965.
MLA (9th ed.) CitationJohnsgard, Paul A. Handbook of Waterfowl Behavior. Comstock Pub. Associates, 1965.
Warning: These citations may not always be 100% accurate.