OCLC :
an introduction to searching and input /
by Martha L. Manheimer.

APA Citation

Manheimer, M. L. (1979). OCLC: an introduction to searching and input. New York: Neal-Schuman.

MLA Citation

Manheimer, Martha L. OCLC: an Introduction to Searching And Input. New York: Neal-Schuman, 1979.

Warning: These citations may not always be complete (especially for serials).