APA (7th ed.) Citation

Hammond, P., & Hughes, P. (1978). Upon the pun: Dual meaning in words and pictures. Allen.

Chicago Style (17th ed.) Citation

Hammond, Paul, and Patrick Hughes. Upon the Pun: Dual Meaning in Words and Pictures. London: Allen, 1978.

MLA (9th ed.) Citation

Hammond, Paul, and Patrick Hughes. Upon the Pun: Dual Meaning in Words and Pictures. Allen, 1978.