APA (7th ed.) Citation

Charles Letts, Breithaupt, J., & Dunn, K. (1988). A-level physics: Course companion. Charles Letts.

Chicago Style (17th ed.) Citation

Charles Letts, Jim Breithaupt, and Ken Dunn. A-level Physics: Course Companion. London: Charles Letts, 1988.

MLA (8th ed.) Citation

Charles Letts, et al. A-level Physics: Course Companion. Charles Letts, 1988.