APA (7th ed.) Citation

Chapman, E. N. (1990). Your first thirty days: Building a professional image in a new job. Crisp Publications.

Chicago Style (17th ed.) Citation

Chapman, Elwood N. Your First Thirty Days: Building a Professional Image in a New Job. Menlo Park, CA: Crisp Publications, 1990.

MLA (9th ed.) Citation

Chapman, Elwood N. Your First Thirty Days: Building a Professional Image in a New Job. Crisp Publications, 1990.