APA (7th ed.) Citation

Puertollano, A. A. (1976). Writing in engineering. Textbook Development Committee, De la Salle University.

Chicago Style (17th ed.) Citation

Puertollano, Azucena A. Writing in Engineering. Manila: Textbook Development Committee, De la Salle University, 1976.

MLA (9th ed.) Citation

Puertollano, Azucena A. Writing in Engineering. Textbook Development Committee, De la Salle University, 1976.