APA (7th ed.) Citation

Cleal, C. J., & Thomas, B. A. (1996). British upper carboniferous stratigraphy (1. ed.). Chapman & Hall.

Chicago Style (17th ed.) Citation

Cleal, Christopher J., and Barry A. Thomas. British Upper Carboniferous Stratigraphy. 1. ed. London [u.a.]: Chapman & Hall, 1996.

MLA (9th ed.) Citation

Cleal, Christopher J., and Barry A. Thomas. British Upper Carboniferous Stratigraphy. 1. ed. Chapman & Hall, 1996.