APA (7th ed.) Citation

Zepler, E. E., & Punnett, S. W. (1963). Electronic circuit techniques. Blakie.

Chicago Style (17th ed.) Citation

Zepler, E. E., and S. W. Punnett. Electronic Circuit Techniques. London: Blakie, 1963.

MLA (9th ed.) Citation

Zepler, E. E., and S. W. Punnett. Electronic Circuit Techniques. Blakie, 1963.