APA (7th ed.) Citation

Cortes, L. P. (1991). A survey of the environmental knowledge, comprehension, responsibility, and interest of the secondary level students and teachers in the Philippines. Garland.

Chicago Style (17th ed.) Citation

Cortes, Leticia P. A Survey of the Environmental Knowledge, Comprehension, Responsibility, and Interest of the Secondary Level Students and Teachers in the Philippines. New York: Garland, 1991.

MLA (9th ed.) Citation

Cortes, Leticia P. A Survey of the Environmental Knowledge, Comprehension, Responsibility, and Interest of the Secondary Level Students and Teachers in the Philippines. Garland, 1991.