APA (7th ed.) Citation

Ramirez, E. V., Lee, G. G., & Velez, C. T. (1980). A simplified approach to Philippine engineering laws (New ed.). E.Q. Cornejo.

Chicago Style (17th ed.) Citation

Ramirez, Efren Vilbar, German Gutierrez Lee, and Cresencio T. Velez. A Simplified Approach to Philippine Engineering Laws. New ed. Cebu City: E.Q. Cornejo, 1980.

MLA (9th ed.) Citation

Ramirez, Efren Vilbar, et al. A Simplified Approach to Philippine Engineering Laws. New ed. E.Q. Cornejo, 1980.