APA-Zitierstil (7. Ausg.)

Middleton, W. (1922). A sawfly injurious to young pines. U.S. Dept. of Agriculture.

Chicago-Zitierstil (17. Ausg.)

Middleton, William. A Sawfly Injurious to Young Pines. Washington, D.C: U.S. Dept. of Agriculture, 1922.

MLA-Zitierstil (9. Ausg.)

Middleton, William. A Sawfly Injurious to Young Pines. U.S. Dept. of Agriculture, 1922.