APA-Zitierstil (7. Ausg.)

Nichols, D. J., & Brown, J. L. (1992). Palynostratigraphy of the Tullock Member (lower Paleocene) of the Fort Union Formation in the Powder River Basin, Montana and Wyoming. U.S. Gov. Print. Off.

Chicago-Zitierstil (17. Ausg.)

Nichols, Douglas J., und Janet L. Brown. Palynostratigraphy of the Tullock Member (lower Paleocene) of the Fort Union Formation in the Powder River Basin, Montana and Wyoming. Washington: U.S. Gov. Print. Off, 1992.

MLA-Zitierstil (9. Ausg.)

Nichols, Douglas J., und Janet L. Brown. Palynostratigraphy of the Tullock Member (lower Paleocene) of the Fort Union Formation in the Powder River Basin, Montana and Wyoming. U.S. Gov. Print. Off, 1992.