APA (7th ed.) Citation

Ryan. (1972). Encyclopedia of Papua and New Guinea Vol I, II, III. Melbourne University Press/University of Papua and New Guinea.

Chicago Style (17th ed.) Citation

Ryan. Encyclopedia of Papua and New Guinea Vol I, II, III. Victoria: Melbourne University Press/University of Papua and New Guinea, 1972.

MLA (8th ed.) Citation

Ryan. Encyclopedia of Papua and New Guinea Vol I, II, III. Melbourne University Press/University of Papua and New Guinea, 1972.