APA

Higham C. S. S., . (1952). Pioneers of progress. : Longmans, Green & Co., London.

Chicago

Higham C S S, . 1952. Pioneers of progress. : Longmans, Green & Co., London.

Harvard

Higham C. S. S., . (1952). Pioneers of progress. : Longmans, Green & Co., London.

MLA

Higham C S S, . Pioneers of progress. : Longmans, Green & Co., London. 1952.