APA (7th ed.) Citation

Davidoff, P. G. (1990). Worldwide tours: A travel agent's guide to selling tours. Prentice-Hall.

Chicago Style (17th ed.) Citation

Davidoff, Philip G. Worldwide Tours: A Travel Agent's Guide to Selling Tours. Englewood Cliffs, N.J: Prentice-Hall, 1990.

MLA (9th ed.) Citation

Davidoff, Philip G. Worldwide Tours: A Travel Agent's Guide to Selling Tours. Prentice-Hall, 1990.