APA (7th ed.) Citation

Canfield, B. R. (1960). Public relations; principles, cases and problems (3rd ed.). Irwin.

Chicago Style (17th ed.) Citation

Canfield, Bertrand R. Public Relations; Principles, Cases and Problems. 3rd ed. Homewood, Ill: Irwin, 1960.

MLA (9th ed.) Citation

Canfield, Bertrand R. Public Relations; Principles, Cases and Problems. 3rd ed. Irwin, 1960.