APA (7th ed.) Citation

Seaby, P., & Seaby, H. A. (1973). Seaby's standard catalogue of British coins edited by Peter Seaby. Seaby.

Chicago Style (17th ed.) Citation

Seaby, Peter, and H. A. Seaby. Seaby's Standard Catalogue of British Coins Edited by Peter Seaby. London: Seaby, 1973.

MLA (9th ed.) Citation

Seaby, Peter, and H. A. Seaby. Seaby's Standard Catalogue of British Coins Edited by Peter Seaby. Seaby, 1973.

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