APA (7th ed.) Citation

Ashton, R., Meadows, A., Sheedy, K. A., & Wartenberg, U. (1998). Some Greek coins in the British Museum.

Chicago Style (17th ed.) Citation

Ashton, Richard, Andrew Meadows, Kenneth A. Sheedy, and Ute Wartenberg. Some Greek Coins in the British Museum. 1998.

MLA (9th ed.) Citation

Ashton, Richard, et al. Some Greek Coins in the British Museum. 1998.