APA (7th ed.) Citation

Kocmoud, D. J., Matthew Pierce, J., & Stegman, M. O. (1996). Pegasus Mail for Windows: How to make your email fly. Manning Publications Co.

Chicago Style (17th ed.) Citation

Kocmoud, David J., J. Matthew Pierce, and Michael O. Stegman. Pegasus Mail for Windows: How to Make Your Email Fly. Greenwich: Manning Publications Co, 1996.

MLA (8th ed.) Citation

Kocmoud, David J., et al. Pegasus Mail for Windows: How to Make Your Email Fly. Manning Publications Co, 1996.