Wellisch, H., & Wilson, T. D. (1972). Subject Retrieval in the Seventies; New Directions. Proceedings of an International Symposium Held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971.
Chicago Style (17th ed.) CitationWellisch, Hans, and Thomas D. Wilson. Subject Retrieval in the Seventies; New Directions. Proceedings of an International Symposium Held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971. 1972.
MLA (9th ed.) CitationWellisch, Hans, and Thomas D. Wilson. Subject Retrieval in the Seventies; New Directions. Proceedings of an International Symposium Held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971. 1972.
Warning: These citations may not always be 100% accurate.