APA (7th ed.) Citation

Smith, S. P. (1938). Problems in electrical engineering with answers (3d ed., rev. and enl.). Constable & company ltd.

Chicago Style (17th ed.) Citation

Smith, Stanley Parker. Problems in Electrical Engineering with Answers. 3d ed., rev. and enl. London: Constable & company ltd, 1938.

MLA (8th ed.) Citation

Smith, Stanley Parker. Problems in Electrical Engineering with Answers. 3d ed., rev. and enl. Constable & company ltd, 1938.