APA (7th ed.) Citation

Say, M. G. (1980). Introduction to the united theory of electromagnetic machines. Pitman Publ.

Chicago Style (17th ed.) Citation

Say, M. G. Introduction to the United Theory of Electromagnetic Machines. Pitman Publ, 1980.

MLA (8th ed.) Citation

Say, M. G. Introduction to the United Theory of Electromagnetic Machines. Pitman Publ, 1980.

Warning: These citations may not always be 100% accurate.