Cita APA (7a ed.)

Speak, P., & Carter, A. H. C. (1981). Map reading and interpretation (New edition.). Longman.

Cita Chicago Style (17a ed.)

Speak, P., y A. H. C. Carter. Map Reading and Interpretation. New edition. England: Longman, 1981.

Cita MLA (9a ed.)

Speak, P., y A. H. C. Carter. Map Reading and Interpretation. New edition. Longman, 1981.