Παραπομπή APA

Lovell, B. (1962). The exploration of outer space ([1st ed.].). Harper & Row.

Παραπομπή Chicago Style

Lovell, Bernard. The Exploration of Outer Space. [1st ed.]. New York: Harper & Row, 1962.

Παραπομπή MLA

Lovell, Bernard. The Exploration of Outer Space. [1st ed.]. Harper & Row, 1962.