APA (7th ed.) Citation

Gutierrez, I. M. (1993). Energy and environment. Philippine Collegian.

Chicago Style (17th ed.) Citation

Gutierrez, Ibarra M. "Energy and Environment." Philippine Collegian 1993.

MLA (9th ed.) Citation

Gutierrez, Ibarra M. "Energy and Environment." Philippine Collegian, 1993.

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