Cita APA

Benson, F. B., Henderson, J. J., & Caldwell, D. E. (1972). Indoor-outdoor air pollution relationships. Environmental Protection Agency; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Citación estilo Chicago

Benson, Ferris B., John Joseph Henderson, and Dale Ernest Caldwell. Indoor-outdoor Air Pollution Relationships. Research Triangle Park, N.C.,: Environmental Protection Agency; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972.

Cita MLA

Benson, Ferris B., et al. Indoor-outdoor Air Pollution Relationships. Environmental Protection Agency; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972.