APA (7th ed.) Citation

Kagan, D. (1975). Problems in ancient history (2nd ed.). Macmillan ; Collier Macmillian.

Chicago Style (17th ed.) Citation

Kagan, Donald. Problems in Ancient History. 2nd ed. New York : London: Macmillan ; Collier Macmillian, 1975.

MLA (9th ed.) Citation

Kagan, Donald. Problems in Ancient History. 2nd ed. Macmillan ; Collier Macmillian, 1975.