APA (7th ed.) Citation

Seaby, H. A. (1966). Greek coins and their values (2. ed.). Seaby.

Chicago Style (17th ed.) Citation

Seaby, Herbert A. Greek Coins and Their Values. 2. ed. London: Seaby, 1966.

MLA (9th ed.) Citation

Seaby, Herbert A. Greek Coins and Their Values. 2. ed. Seaby, 1966.