Valentine, P. A., & McDonald, D. R. (1986). Retrospective Conversion: A Question of Time, Standards, and Purpose.
Chicago Style (17th ed.) CitationValentine, Phyllis A., and David R. McDonald. Retrospective Conversion: A Question of Time, Standards, and Purpose. 1986.
MLA (9th ed.) CitationValentine, Phyllis A., and David R. McDonald. Retrospective Conversion: A Question of Time, Standards, and Purpose. 1986.
Warning: These citations may not always be 100% accurate.