Cita APA (7a ed.)

Orr, C. (1959). Between earth and space. MacMillan.

Cita Chicago Style (17a ed.)

Orr, Clyde. Between Earth and Space. New York: MacMillan, 1959.

Cita MLA (9a ed.)

Orr, Clyde. Between Earth and Space. MacMillan, 1959.