APA (7th ed.) Citation

Leaper, W. J. (1961). The law of advertising (2nd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Leaper, William Joseph. The Law of Advertising. 2nd ed. London: Butterworths, 1961.

MLA (8th ed.) Citation

Leaper, William Joseph. The Law of Advertising. 2nd ed. Butterworths, 1961.