APA (7th ed.) Citation

Langlois-Berthelot, R., & Clarke, H. M. (1953). Electro-magnetic machines. Macdonald.

Chicago Style (17th ed.) Citation

Langlois-Berthelot, Richard, and Hugh Major Clarke. Electro-magnetic Machines. Lond.: Macdonald, 1953.

MLA (8th ed.) Citation

Langlois-Berthelot, Richard, and Hugh Major Clarke. Electro-magnetic Machines. Macdonald, 1953.

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