Cita APA (7a ed.)

Escobal, P. R. (1968). Methods of astrodynamics. John Willey & Sons.

Cita Chicago Style (17a ed.)

Escobal, Pedro Ramón. Methods of Astrodynamics. New York: John Willey & Sons, 1968.

Cita MLA (9a ed.)

Escobal, Pedro Ramón. Methods of Astrodynamics. John Willey & Sons, 1968.