APA (7th ed.) Citation

Canfield, B. R. (1964). Public relations: Principles, cases and problems (4th ed.). Irwin.

Chicago Style (17th ed.) Citation

Canfield, Bertrand R. Public Relations: Principles, Cases and Problems. 4th ed. Homewood: Irwin, 1964.

MLA (9th ed.) Citation

Canfield, Bertrand R. Public Relations: Principles, Cases and Problems. 4th ed. Irwin, 1964.

Warning: These citations may not always be 100% accurate.