APA (7th ed.) Citation

Hobson & OBOJSKI. (1971). Illustrated encyclopedia of world coins. Robert Hale.

Chicago Style (17th ed.) Citation

Hobson and OBOJSKI. Illustrated Encyclopedia of World Coins. London: Robert Hale, 1971.

MLA (8th ed.) Citation

Hobson and OBOJSKI. Illustrated Encyclopedia of World Coins. Robert Hale, 1971.

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