APA Citation

Wignall, P. B. (1994). Black shales: P. B. Wignall. Oxford: Clarendon Pr..

Chicago Style Citation

Wignall, P. B. Black Shales: P. B. Wignall. Oxford: Clarendon Pr., 1994.

MLA Citation

Wignall, P. B. Black Shales: P. B. Wignall. Oxford: Clarendon Pr., 1994.

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