Cita APA (7th ed.)
David J. Shayler, A. S. Marswalk One: First Steps on a New Planet. Springer.
Cita Chicago (17th ed.)
David J. Shayler, Andrew Salmon. Marswalk One: First Steps on a New Planet. Londres, Inglaterra: Springer.
Cita MLA (9th ed.)
David J. Shayler, Andrew Salmon. Marswalk One: First Steps on a New Planet. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.