Cita APA (7th ed.)

Naugle, J. E., & Bernardo, J. V. (1965). Unmanned Space Flight. Holt, Rinehart and Winston, Inc..

Cita Chicago (17th ed.)

Naugle, John E., i James V. Bernardo. Unmanned Space Flight. New York: Holt, Rinehart and Winston, Inc., 1965.

Cita MLA (9th ed.)

Naugle, John E., i James V. Bernardo. Unmanned Space Flight. Holt, Rinehart and Winston, Inc., 1965.