APA (7th ed.) Citation

Canfield, B. R., & Moore, H. F. (1973). Public relations: Principles, cases, and problems (6th ed.). National Book Store].

Chicago Style (17th ed.) Citation

Canfield, Bertrand R., and H. Frazier Moore. Public Relations: Principles, Cases, and Problems. 6th ed. [Manila: National Book Store], 1973.

MLA (9th ed.) Citation

Canfield, Bertrand R., and H. Frazier Moore. Public Relations: Principles, Cases, and Problems. 6th ed. National Book Store], 1973.