APA-Zitierstil (7. Ausg.)

Stevens, N. D. (1961). A comparative study of three systems of information retrieval. Rutgers Univ. Pr.

Chicago-Zitierstil (17. Ausg.)

Stevens, Norman D. A Comparative Study of Three Systems of Information Retrieval. New Brunswick, N.J: Rutgers Univ. Pr, 1961.

MLA-Zitierstil (9. Ausg.)

Stevens, Norman D. A Comparative Study of Three Systems of Information Retrieval. Rutgers Univ. Pr, 1961.