APA

Say M., . (1980). Introduction to the unified theory of electromagnetic machines. London: Pitman.

Chicago

Say M.G, . 1980. Introduction to the unified theory of electromagnetic machines. London: Pitman.

Harvard

Say M., . (1980). Introduction to the unified theory of electromagnetic machines. London: Pitman.

MLA

Say M.G, . Introduction to the unified theory of electromagnetic machines. London: Pitman. 1980.