APA (7th ed.) Citation

Catchillar, G. C. (2006). Biology: A simplified approach. National Book Store.

Chicago Style (17th ed.) Citation

Catchillar, Gerry C. Biology: A Simplified Approach. Mandaluyong City: National Book Store, 2006.

MLA (9th ed.) Citation

Catchillar, Gerry C. Biology: A Simplified Approach. National Book Store, 2006.