APA (7th ed.) Citation

Heimann, H., Brooks, H. M., & Schmidt, D. G. (1950). Biological aspects of air pollution: An annotated bibliography. United Steelworkers of America.

Chicago Style (17th ed.) Citation

Heimann, Harry, H. Morton Brooks, and Donald G. Schmidt. Biological Aspects of Air Pollution: An Annotated Bibliography. [S.l.]: United Steelworkers of America, 1950.

MLA (9th ed.) Citation

Heimann, Harry, et al. Biological Aspects of Air Pollution: An Annotated Bibliography. United Steelworkers of America, 1950.