APA (7th ed.) Citation

Hayes, M. E. (1947). Current-collecting brushes in electrical machines. Pitman.

Chicago Style (17th ed.) Citation

Hayes, M. E. Current-collecting Brushes in Electrical Machines. London: Pitman, 1947.

MLA (9th ed.) Citation

Hayes, M. E. Current-collecting Brushes in Electrical Machines. Pitman, 1947.

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