Cita APA (7a ed.)

Lenon, B. J., & Cleves, P. G. (1984). Techniques and fieldwork in geography. University Tutorial Press.

Cita Chicago Style (17a ed.)

Lenon, Barnaby J., y Paul G. Cleves. Techniques and Fieldwork in Geography. Slough: University Tutorial Press, 1984.

Cita MLA (8a ed.)

Lenon, Barnaby J., y Paul G. Cleves. Techniques and Fieldwork in Geography. University Tutorial Press, 1984.