APA

Goudie A., Atkinson B. W., Gregory K. J., Simmons I. G., Stoddart D. R. & Sugden D. (1997). The encyclopedic dictionary of physical geography. Oxford: Blackwell.

Chicago

Goudie Andrew, Atkinson B W, Gregory K J, Simmons Ian G, Stoddart D R and Sugden David. 1997. The encyclopedic dictionary of physical geography. Oxford: Blackwell.

Harvard

Goudie A., Atkinson B. W., Gregory K. J., Simmons I. G., Stoddart D. R. and Sugden D. (1997). The encyclopedic dictionary of physical geography. Oxford: Blackwell.

MLA

Goudie Andrew, Atkinson B W, Gregory K J, Simmons Ian G, Stoddart D R and Sugden David. The encyclopedic dictionary of physical geography. Oxford: Blackwell. 1997.