APA (7th ed.) Citation

Stevenson, S. W., Madden, F. W., & Roach Smith, C. (1889). Dictionary of Roman coins,republican and imperial.

Chicago Style (17th ed.) Citation

Stevenson, Seth William, Frederic W. Madden, and C. Roach Smith. Dictionary of Roman Coins,republican and Imperial. London Bell, 1889.

MLA (9th ed.) Citation

Stevenson, Seth William, et al. Dictionary of Roman Coins,republican and Imperial. 1889.