APA (7th ed.) Citation

Ford, T. D. (1977). Limestones and caves of the Peak District. Geo Abstracts Ltd.

Chicago Style (17th ed.) Citation

Ford, Trevor D. Limestones and Caves of the Peak District. Norwich: Geo Abstracts Ltd, 1977.

MLA (9th ed.) Citation

Ford, Trevor D. Limestones and Caves of the Peak District. Geo Abstracts Ltd, 1977.