Cita APA (7a ed.)

Martin, G. J. (1987). Geographers: Biobibliographical studies. Mansell.

Cita Chicago Style (17a ed.)

Martin, Geoffrey J. Geographers: Biobibliographical Studies. London [etc.]: Mansell, 1987.

Cita MLA (9a ed.)

Martin, Geoffrey J. Geographers: Biobibliographical Studies. Mansell, 1987.