Cita APA (7a ed.)

Dunlop, S., & Adam, A. (1977). A guide to modern geography teaching ([1st pub., repr.].). Heinemann.

Cita Chicago Style (17a ed.)

Dunlop, Stewart, y Alan Adam. A Guide to Modern Geography Teaching. [1st pub., repr.]. London [etc.]: Heinemann, 1977.

Cita MLA (9a ed.)

Dunlop, Stewart, y Alan Adam. A Guide to Modern Geography Teaching. [1st pub., repr.]. Heinemann, 1977.