APA (7th ed.) Citation

Avery, J. H., & Ingram, A. W. K. (1980). Objective tests in Ordinary Level physics (Combined ed.). Heinemann Educational.

Chicago Style (17th ed.) Citation

Avery, J. H., and A. W. K. Ingram. Objective Tests in Ordinary Level Physics. Combined ed. London: Heinemann Educational, 1980.

MLA (9th ed.) Citation

Avery, J. H., and A. W. K. Ingram. Objective Tests in Ordinary Level Physics. Combined ed. Heinemann Educational, 1980.