APA (7th ed.) Citation

Hennig, W. E. (1928). How to wind direct-current armatures (2d ed., rev.). The Bruce publishing company.

Chicago Style (17th ed.) Citation

Hennig, Walter E. How to Wind Direct-current Armatures. 2d ed., rev. Milwaukee, Wis., New York [etc.]: The Bruce publishing company, 1928.

MLA (9th ed.) Citation

Hennig, Walter E. How to Wind Direct-current Armatures. 2d ed., rev. The Bruce publishing company, 1928.