APA

Strong C. F., . (1968). Early modern world. : University of London Press Ltd., London.

Chicago

Strong C F, . 1968. Early modern world. : University of London Press Ltd., London.

Harvard

Strong C. F., . (1968). Early modern world. : University of London Press Ltd., London.

MLA

Strong C F, . Early modern world. : University of London Press Ltd., London. 1968.