APA-Zitierstil (7. Ausg.)

Tharp, W. H. (1965). The cotton plant: How it grows and why its growth varies (Slightly rev.). U.S. Dep. of Agriculture.

Chicago-Zitierstil (17. Ausg.)

Tharp, W. H. The Cotton Plant: How It Grows and Why Its Growth Varies. Slightly rev. Washington, DC: U.S. Dep. of Agriculture, 1965.

MLA-Zitierstil (9. Ausg.)

Tharp, W. H. The Cotton Plant: How It Grows and Why Its Growth Varies. Slightly rev. U.S. Dep. of Agriculture, 1965.