Social research,
by Manuel Conrad Elmer.
APA Citation
Elmer, M. C. (Manuel Conrad). (1939). Social research. New York: Prentice-Hall.
MLA Citation
Elmer, M. C. (Manuel Conrad), 1886-. Social Research. New York: Prentice-Hall, 1939.
Warning: These citations may not always be complete (especially for serials).