Cita APA (7th ed.)
Harrison, A. A. (2002). Spacefaring: The human dimension. University of California Press.
Cita Chicago (17th ed.)
Harrison, Albert A. Spacefaring: The Human Dimension. Berkeley, Calif. ; London: University of California Press, 2002.
Cita MLA (9th ed.)
Harrison, Albert A. Spacefaring: The Human Dimension. University of California Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.