APA (7th ed.) Citation

399255 Ronson, H. B. (1921). Direct current machines. London : Sir Isaac Pitman.

Chicago Style (17th ed.) Citation

399255 Ronson, H. B. Direct Current Machines. London : Sir Isaac Pitman, 1921.

MLA (9th ed.) Citation

399255 Ronson, H. B. Direct Current Machines. London : Sir Isaac Pitman, 1921.

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