APA (7th ed.) Citation

Montgomery, J. W. (1975). International scholars directory. Marquis Who's Who.

Chicago Style (17th ed.) Citation

Montgomery, John Warwick. International Scholars Directory. Chicago, Ill.: Marquis Who's Who, 1975.

MLA (9th ed.) Citation

Montgomery, John Warwick. International Scholars Directory. Marquis Who's Who, 1975.