APA (7th ed.) Citation

Ernst, M. L., & Posner, J. A. (1967). The comparative international almanac. Macmillan.

Chicago Style (17th ed.) Citation

Ernst, Morris Leopold, and Judith A. Posner. The Comparative International Almanac. New York: Macmillan, 1967.

MLA (9th ed.) Citation

Ernst, Morris Leopold, and Judith A. Posner. The Comparative International Almanac. Macmillan, 1967.