Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Kempton, J. P., & Hackett, J. E. (1968). The late-altonian (Wisconsinan) glacial sequence in northern Illinois. - Springfield, IL.

Chicago Zitierstil

Kempton, John P., and James E. Hackett. The Late-altonian (Wisconsinan) Glacial Sequence in Northern Illinois. - Springfield, IL. 1968.

MLA Zitierstil

Kempton, John P., and James E. Hackett. The Late-altonian (Wisconsinan) Glacial Sequence in Northern Illinois. - Springfield, IL. 1968.