APA-Zitierstil (7. Ausg.)

Gill, J. R., Cobban, W. A., & Kier, P. M. (1966). The Red Bird section of the upper Cretaceous Pierre shale in Wyoming. U.S. Government Print. Office.

Chicago-Zitierstil (17. Ausg.)

Gill, James R., William A. Cobban, und Porter M. Kier. The Red Bird Section of the Upper Cretaceous Pierre Shale in Wyoming. Washington, DC: U.S. Government Print. Office, 1966.

MLA-Zitierstil (9. Ausg.)

Gill, James R., et al. The Red Bird Section of the Upper Cretaceous Pierre Shale in Wyoming. U.S. Government Print. Office, 1966.