APA (7th ed.) Citation

Packard, L. O., & Overton, B. (1946). Text-workbook on the geography of World War II. Macmillan.

Chicago Style (17th ed.) Citation

Packard, Leonard Oscar, and Bruce Overton. Text-workbook on the Geography of World War II. New York: Macmillan, 1946.

MLA (8th ed.) Citation

Packard, Leonard Oscar, and Bruce Overton. Text-workbook on the Geography of World War II. Macmillan, 1946.