APA (7th ed.) Citation

Powell, H., & Hateley, R. J. (1968). Comprehension exercises in Sixth Form chemistry. University of London Press.

Chicago Style (17th ed.) Citation

Powell, Horace, and Roger John Hateley. Comprehension Exercises in Sixth Form Chemistry. London: University of London Press, 1968.

MLA (9th ed.) Citation

Powell, Horace, and Roger John Hateley. Comprehension Exercises in Sixth Form Chemistry. University of London Press, 1968.