Strayer, J. R., & Gatzke, H. W. (1979). The mainstream of civilization (3. ed.). New York: Harcourt Brace Jovanovich.
Chicago Style CitationStrayer, Joseph R., and Hans W. Gatzke. The Mainstream of Civilization. 3. ed. New York: Harcourt Brace Jovanovich, 1979.
MLA CitationStrayer, Joseph R., and Hans W. Gatzke. The Mainstream of Civilization. 3. ed. New York: Harcourt Brace Jovanovich, 1979.
Warning: These citations may not always be 100% accurate.