Cita APA (7th ed.)

Andrews, W. A. (1930). A guide to the study of environmental pollution. Prentice-Hall.

Cita Chicago (17th ed.)

Andrews, William A. A Guide to the Study of Environmental Pollution. Englewood Cliffs, NJ: Prentice-Hall, 1930.

Cita MLA (9th ed.)

Andrews, William A. A Guide to the Study of Environmental Pollution. Prentice-Hall, 1930.