APA (7th ed.) Citation

Gregory, J. M., Hackett, R. Q., & Vincent-Smith, C. (1985). A practical approach to systems electronics. Longman Group.

Chicago Style (17th ed.) Citation

Gregory, J. M., R. Q. Hackett, and C. Vincent-Smith. A Practical Approach to Systems Electronics. Harlow: Longman Group, 1985.

MLA (9th ed.) Citation

Gregory, J. M., et al. A Practical Approach to Systems Electronics. Longman Group, 1985.