APA (7th ed.) Citation

Wallace, B. J. (1980). Gaddang agriculture: The focus of biological and cultural change. University Microfilms International.

Chicago Style (17th ed.) Citation

Wallace, Ben J. Gaddang Agriculture: The Focus of Biological and Cultural Change. Ann Arbor, Mich.: University Microfilms International, 1980.

MLA (9th ed.) Citation

Wallace, Ben J. Gaddang Agriculture: The Focus of Biological and Cultural Change. University Microfilms International, 1980.