APA (7th ed.) Citation

Velasquez, C. C., & Asis, C. V. (1993). Modern biology (Philippine version): With biology investigations (Revised edition.). National Book Store, Inc.

Chicago Style (17th ed.) Citation

Velasquez, Carmen Camacho, and Consuelo Villamor Asis. Modern Biology (Philippine Version): With Biology Investigations. Revised edition. [Mandaluyong City, Metro Manila]: National Book Store, Inc, 1993.

MLA (9th ed.) Citation

Velasquez, Carmen Camacho, and Consuelo Villamor Asis. Modern Biology (Philippine Version): With Biology Investigations. Revised edition. National Book Store, Inc, 1993.