APA (7th ed.) Citation

Varias, R. R. (1965). Introduction to mental hygiene.

Chicago Style (17th ed.) Citation

Varias, Rodolfo R. Introduction to Mental Hygiene. Quezon City Phoenix Pub. House, 1965.

MLA (9th ed.) Citation

Varias, Rodolfo R. Introduction to Mental Hygiene. 1965.