Cita APA (7a ed.)

American Chemical Society & Keith, L. H. (1996). Principles of environmental sampling (2nd ed.). American Chemical Society.

Cita Chicago Style (17a ed.)

American Chemical Society y Lawrence H. Keith. Principles of Environmental Sampling. 2nd ed. [Washington, D.C.]: American Chemical Society, 1996.

Cita MLA (9a ed.)

American Chemical Society y Lawrence H. Keith. Principles of Environmental Sampling. 2nd ed. American Chemical Society, 1996.