Cita APA

Strayer, J. R., & Gatzke, H. W. (1974). Mainstream of Civilization to 1500 (2nd ed.). Harcourt Brace Jovanovich.

Chicago Edition Citation

Strayer, Joseph R., i Hans W. Gatzke. Mainstream of Civilization to 1500. 2nd ed. New York: Harcourt Brace Jovanovich, 1974.

Cita MLA

Strayer, Joseph R., i Hans W. Gatzke. Mainstream of Civilization to 1500. 2nd ed. Harcourt Brace Jovanovich, 1974.