Gaya APA

PERRY, M. et al (1987). Sources of the Western Tradition : From the Scientific Revolution to the Present Volume II (First Published). Boston: Houghton Mifflin Company.

Gaya MLA

PERRY, Marvin. et al. "Sources of the Western Tradition : From the Scientific Revolution to the Present Volume II". First Published Boston: Houghton Mifflin Company, 1987. Text.