APA (7th ed.) Citation

Butler, B. C. M., & Bell, J. D. (1988). Interpretation of geological maps / B.C.M. Butler and J.D. Bell. Longman Scientific & Technical.

Chicago Style (17th ed.) Citation

Butler, B. C. M., and J. D. Bell. Interpretation of Geological Maps / B.C.M. Butler and J.D. Bell. Harlow: Longman Scientific & Technical, 1988.

MLA (9th ed.) Citation

Butler, B. C. M., and J. D. Bell. Interpretation of Geological Maps / B.C.M. Butler and J.D. Bell. Longman Scientific & Technical, 1988.

Warning: These citations may not always be 100% accurate.