APA (7th ed.) Citation

Hanna, K., Conover, D., & Haramy, K. Y. (1990). Coal mine entry intersection behavior study. United States Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Hanna, K., D. Conover, and Khamis Y. Haramy. Coal Mine Entry Intersection Behavior Study. Washington, DC: United States Dept. of the Interior, Bureau of Mines, 1990.

MLA (9th ed.) Citation

Hanna, K., et al. Coal Mine Entry Intersection Behavior Study. United States Dept. of the Interior, Bureau of Mines, 1990.