Cita APA (7a ed.)

Freeman, T. W., Pinchemel, P., & Oughton, M. (1977). Geographers: Biobibliographical studies. Mansell.

Cita Chicago Style (17a ed.)

Freeman, Thomas Walter, Philippe Pinchemel, y Marguerita Oughton. Geographers: Biobibliographical Studies. London: Mansell, 1977.

Cita MLA (9a ed.)

Freeman, Thomas Walter, et al. Geographers: Biobibliographical Studies. Mansell, 1977.