APA (7th ed.) Citation

Lewin, M. H. (1978). Establishing and maintaining a successful professional practice. Professional Development Institute.

Chicago Style (17th ed.) Citation

Lewin, Mark H. Establishing and Maintaining a Successful Professional Practice. Rochester, N.Y.: Professional Development Institute, 1978.

MLA (9th ed.) Citation

Lewin, Mark H. Establishing and Maintaining a Successful Professional Practice. Professional Development Institute, 1978.