APA (7th ed.) Citation

Roth, C. B., & Alexander, R. (1983). Secrets of closing sales. Prentice-Hall.

Chicago Style (17th ed.) Citation

Roth, Charles B., and Roy Alexander. Secrets of Closing Sales. Englewood Cliffs, N. J: Prentice-Hall, 1983.

MLA (9th ed.) Citation

Roth, Charles B., and Roy Alexander. Secrets of Closing Sales. Prentice-Hall, 1983.