APA-Zitierstil (7. Ausg.)

Beal, W. A., Murphy, E. C., & Kehew, A. E. (1987). Migration of contaminants from buried oil-and-gas drilling fluids within the glacial sediments of north-central North Dakota.

Chicago-Zitierstil (17. Ausg.)

Beal, William A., Edward C. Murphy, und Alan E. Kehew. Migration of Contaminants from Buried Oil-and-gas Drilling Fluids Within the Glacial Sediments of North-central North Dakota. Grand Forks, N.D, 1987.

MLA-Zitierstil (9. Ausg.)

Beal, William A., et al. Migration of Contaminants from Buried Oil-and-gas Drilling Fluids Within the Glacial Sediments of North-central North Dakota. 1987.