APA (7e ed.) Bronvermelding

Battan, L. J. (1966). The unclean sky ; a meteorologist looks at air polltuion. Illus. by the author and D. C. Perceny. Anchor Books.

Chicago (17e ed.) Bronvermelding

Battan, Louis J. The Unclean Sky ; a Meteorologist Looks at Air Polltuion. Illus. by the Author and D. C. Perceny. garden City, N. Y: Anchor Books, 1966.

MLA (9e ed.) Bronvermelding

Battan, Louis J. The Unclean Sky ; a Meteorologist Looks at Air Polltuion. Illus. by the Author and D. C. Perceny. Anchor Books, 1966.