APA (7th ed.) Citation

Wallace, S. A., & Lewis, M. D. (1990). Becoming a professional counselor: Preparing for certification and comprehensive exams (1. print.). Sage.

Chicago Style (17th ed.) Citation

Wallace, Sheri A., and Michael D. Lewis. Becoming a Professional Counselor: Preparing for Certification and Comprehensive Exams. 1. print. Newbury Park u.a: Sage, 1990.

MLA (9th ed.) Citation

Wallace, Sheri A., and Michael D. Lewis. Becoming a Professional Counselor: Preparing for Certification and Comprehensive Exams. 1. print. Sage, 1990.