APA
Strayer J. R., Gatzke H. W., Harbison E. H. & Dunbaugh E. (1969). The mainstream of civilization. New York ; Chicago ; San Francisco: Harcourt, Brace & World, Inc.
Chicago
Strayer Joseph R, Gatzke Hans W, Harbison E Harris and Dunbaugh E.L. 1969. The mainstream of civilization. New York ; Chicago ; San Francisco: Harcourt, Brace & World, Inc.
Harvard
Strayer J. R., Gatzke H. W., Harbison E. H. and Dunbaugh E. (1969). The mainstream of civilization. New York ; Chicago ; San Francisco: Harcourt, Brace & World, Inc.
MLA
Strayer Joseph R, Gatzke Hans W, Harbison E Harris and Dunbaugh E.L. The mainstream of civilization. New York ; Chicago ; San Francisco: Harcourt, Brace & World, Inc. 1969.
