APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Speak, P., and A. H. C. Carter. Map Reading and Interpretation. New ed., metric. Burnt Hill, Harlow, Essex: Longman, 1981.

MLA (9th ed.) Citation

Speak, P., and A. H. C. Carter. Map Reading and Interpretation. New ed., metric. Longman, 1981.