APA (7th ed.) Citation

Gustafson, A. (1949). Conservation in the United States. Comstock Publ. Comp.

Chicago Style (17th ed.) Citation

Gustafson, A.F. Conservation in the United States. Comstock Publ. Comp, 1949.

MLA (8th ed.) Citation

Gustafson, A.F. Conservation in the United States. Comstock Publ. Comp, 1949.

Warning: These citations may not always be 100% accurate.