APA (7th ed.) Citation

Dela Cruz, R. R. (1975). Public relations: Theory and practice. The Author.

Chicago Style (17th ed.) Citation

Dela Cruz, R R. Public Relations: Theory and Practice. Manila: The Author, 1975.

MLA (9th ed.) Citation

Dela Cruz, R R. Public Relations: Theory and Practice. The Author, 1975.

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