APA (7th ed.) Citation

Humphreys, H. N. (1846). The coins of England. W. Smith.

Chicago Style (17th ed.) Citation

Humphreys, Henry Noel. The Coins of England. London: W. Smith, 1846.

MLA (9th ed.) Citation

Humphreys, Henry Noel. The Coins of England. W. Smith, 1846.