APA (7th ed.) Citation

Sprague, C. S., & Harding, C. F. (1936). Electrical conductivity of fire streams. Purdue University. Engineering Experiment Station. Research Bulletin, 53, 1.

Chicago Style (17th ed.) Citation

Sprague, C. S., and C. F. Harding. "Electrical Conductivity of Fire Streams." Purdue University. Engineering Experiment Station. Research Bulletin 53 (1936): 1.

MLA (9th ed.) Citation

Sprague, C. S., and C. F. Harding. "Electrical Conductivity of Fire Streams." Purdue University. Engineering Experiment Station. Research Bulletin, vol. 53, 1936, p. 1.