Cita APA (7th ed.)
WILLIAMSON, L. (1994). ALONE IN A STRANGE LAND.
Cita Chicago (17th ed.)
WILLIAMSON, L. ALONE IN A STRANGE LAND. 1994.
Cita MLA (9th ed.)
WILLIAMSON, L. ALONE IN A STRANGE LAND. 1994.
Atenció: Aquestes cites poden no estar 100% correctes.