APA (7th ed.) Citation

Maloney, K. L., Engel, P. K., & Cherry, S. S. (1978). Sulfur retention in coal ash. The Office ; Available to the public through the National Technical Information Service.

Chicago Style (17th ed.) Citation

Maloney, Kenneth L., P. K. Engel, and S. S. Cherry. Sulfur Retention in Coal Ash. Washington, D.C. : Springfield, Va.: The Office ; Available to the public through the National Technical Information Service, 1978.

MLA (9th ed.) Citation

Maloney, Kenneth L., et al. Sulfur Retention in Coal Ash. The Office ; Available to the public through the National Technical Information Service, 1978.