APA (7th ed.) Citation

Seaby, P., & Purvey, P. F. (1984). Standard catalogue of British coins by Peter Seaby & P. Frank Purvey. Seaby.

Chicago Style (17th ed.) Citation

Seaby, Peter, and P. Frank Purvey. Standard Catalogue of British Coins by Peter Seaby & P. Frank Purvey. London: Seaby, 1984.

MLA (9th ed.) Citation

Seaby, Peter, and P. Frank Purvey. Standard Catalogue of British Coins by Peter Seaby & P. Frank Purvey. Seaby, 1984.

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