APA-Zitierstil (7. Ausg.)

Cowardin, L. M., Gilmer, D. S., & Shaiffer, C. W. (1985). Mallard recruitment in the agricultural environment of North Dakota. Wildlife Soc.

Chicago-Zitierstil (17. Ausg.)

Cowardin, Lewis M., David S. Gilmer, und Charles W. Shaiffer. Mallard Recruitment in the Agricultural Environment of North Dakota. Bethesda, Md: Wildlife Soc, 1985.

MLA-Zitierstil (9. Ausg.)

Cowardin, Lewis M., et al. Mallard Recruitment in the Agricultural Environment of North Dakota. Wildlife Soc, 1985.