APA Format
Greer, Charles E; Verduin, John R; Greer, Charles E; Miller, Harry G. (c1977).
Adult teaching adults / John R. Verduin, Harry G. Miller, Charles E. Greer
. Austin :: Learning Concepts,.
MLA Format
Greer, Charles E; Verduin, John R; Greer, Charles E; Miller, Harry G.
Adult teaching adults / John R. Verduin, Harry G. Miller, Charles E. Greer
. Austin :: Learning Concepts,, c1977
Chicago Format
Greer, Charles E; Verduin, John R; Greer, Charles E; Miller, Harry G. Adult teaching adults / John R. Verduin, Harry G. Miller, Charles E. Greer. Austin :: Learning Concepts,, c1977.