APA (7th ed.) Citation

Tan, V. A., & Perez, F. (1957). Plane and spherical trigonometry (revised edition, engineering edition.). Macaraig Publishing Co.

Chicago Style (17th ed.) Citation

Tan, Vidal A., and Francisco Perez. Plane and Spherical Trigonometry. revised edition, engineering edition. Manila: Macaraig Publishing Co, 1957.

MLA (9th ed.) Citation

Tan, Vidal A., and Francisco Perez. Plane and Spherical Trigonometry. revised edition, engineering edition. Macaraig Publishing Co, 1957.