APA (7th ed.) Citation

Philippine. University. Sec. (1970). Environmental science. UP, Sec.

Chicago Style (17th ed.) Citation

Philippine. University. Sec. Environmental Science. Q. C: UP, Sec, 1970.

MLA (9th ed.) Citation

Philippine. University. Sec. Environmental Science. UP, Sec, 1970.

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