APA

Ward M. H. C. E., . (1965). Modern elementary mathematics. : Addison-Wesley Publishing Company, London.

Chicago

Ward Morgan Hardgrove Clarence Ethel, . 1965. Modern elementary mathematics. : Addison-Wesley Publishing Company, London.

Harvard

Ward M. H. C. E., . (1965). Modern elementary mathematics. : Addison-Wesley Publishing Company, London.

MLA

Ward Morgan Hardgrove Clarence Ethel, . Modern elementary mathematics. : Addison-Wesley Publishing Company, London. 1965.