APA (7th ed.) Citation

Toh, K. A., & Tan, S. H. (1977). Objective questions in physics for advanced level. Heinemann.

Chicago Style (17th ed.) Citation

Toh, Kok Aun, and Sean Huat Tan. Objective Questions in Physics for Advanced Level. London: Heinemann, 1977.

MLA (9th ed.) Citation

Toh, Kok Aun, and Sean Huat Tan. Objective Questions in Physics for Advanced Level. Heinemann, 1977.