MLA

Schur, Norman W. British English, A to Zed. 1st HarperPerennial ed. New York, N.Y.: HarperPerennial, 1991.

APA

Schur, N. W. (1991). British English, A to Zed. 1st HarperPerennial ed. New York, N.Y.: HarperPerennial.

Chicago

Schur, Norman W. British English, A to Zed. 1st HarperPerennial ed. New York, N.Y.: HarperPerennial, 1991.