APA (7th ed.) Citation

O'Ballance, E. (1981). The wars in Vietnam, 1954-1980.

Chicago Style (17th ed.) Citation

O'Ballance, Edgar. The Wars in Vietnam, 1954-1980. 1981.

MLA (9th ed.) Citation

O'Ballance, Edgar. The Wars in Vietnam, 1954-1980. 1981.

Warning: These citations may not always be 100% accurate.