Booker, P. (1969). Project apollo: The way to the moon. American Elsevier.
Cita Chicago (17th ed.)Booker, P.J. Project Apollo: The Way to the Moon. New York: American Elsevier, 1969.
Cita MLA (9th ed.)Booker, P.J. Project Apollo: The Way to the Moon. American Elsevier, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.