APA (7th ed.) Citation

Woodworth, D. (1993). The international directory of voluntary work (5. ed.). Vacation Work.

Chicago Style (17th ed.) Citation

Woodworth, David. The International Directory of Voluntary Work. 5. ed. London: Vacation Work, 1993.

MLA (9th ed.) Citation

Woodworth, David. The International Directory of Voluntary Work. 5. ed. Vacation Work, 1993.