Cita APA (7a ed.)

United States. (1990). Environmental regulations and technology (1a ed.). Technomic.

Cita Chicago Style (17a ed.)

United States. Environmental Regulations and Technology. 1a ed. Pennsylvania: Technomic, 1990.

Cita MLA (9a ed.)

United States. Environmental Regulations and Technology. 1a ed. Technomic, 1990.