Gaya APA

Gatzke, J, R, S, ;, H, W. (1984). The mainstream of civilization to 1715 (ed. 4). New York: Harcourt Brace Jovanovich.

Gaya MLA

Gatzke, Joseph, R., Strayer, ;, Hans, W.. "The mainstream of civilization to 1715". ed. 4 New York: Harcourt Brace Jovanovich, 1984. Text.