APA (7th ed.) Citation

Tan, V. A., & Perez, F. A. (1949). Plane and spherical trigonometry (Revised edition.). Macaraig Publishing Co.

Chicago Style (17th ed.) Citation

Tan, Vidal A., and Francisco A. Perez. Plane and Spherical Trigonometry. Revised edition. Manila: Macaraig Publishing Co, 1949.

MLA (9th ed.) Citation

Tan, Vidal A., and Francisco A. Perez. Plane and Spherical Trigonometry. Revised edition. Macaraig Publishing Co, 1949.