APA (7th ed.) Citation

Parker, D. J. (1930). Hazards and protection of underground transformer installations. [publisher not identified].

Chicago Style (17th ed.) Citation

Parker, Dennis J. Hazards and Protection of Underground Transformer Installations. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Parker, Dennis J. Hazards and Protection of Underground Transformer Installations. [publisher not identified], 1930.