APA ציטוט

Hellbroner, R. L. (1963). The great ascent. New York: Harper & Row.

Trích dẫn kiểu Chicago

Hellbroner, Robert L. The Great Ascent. New York: Harper & Row, 1963.

ציטוט MLA

Hellbroner, Robert L. The Great Ascent. New York: Harper & Row, 1963.