APA (7th ed.) Citation

Galvante, W. P. (1974). A content analysis of Environmental Science I. s.n.].

Chicago Style (17th ed.) Citation

Galvante, Wulfilda P. A Content Analysis of Environmental Science I. [Quezon City: s.n.], 1974.

MLA (9th ed.) Citation

Galvante, Wulfilda P. A Content Analysis of Environmental Science I. s.n.], 1974.