APA (7th ed.) Citation

Nelson, K. T., & Wegg, D. S. (1927). World export markets for electrical apparatus and supplies. [publisher not identified].

Chicago Style (17th ed.) Citation

Nelson, K. T., and D. S. Wegg. World Export Markets for Electrical Apparatus and Supplies. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

Nelson, K. T., and D. S. Wegg. World Export Markets for Electrical Apparatus and Supplies. [publisher not identified], 1927.