APA (7th ed.) Citation

How, G. A., & Ong, B. H. (2007). Calculus. Universiti Sains Malaysia.

Chicago Style (17th ed.) Citation

How, Guan Aun, and Boon Hua Ong. Calculus. Pulau Pinang: Universiti Sains Malaysia, 2007.

MLA (9th ed.) Citation

How, Guan Aun, and Boon Hua Ong. Calculus. Universiti Sains Malaysia, 2007.