APA-Zitierstil (7. Ausg.)

Southwick, D. L., Morey, G. B., & Holst, T. B. (1991). Tectonic imbrication and foredeep development in the Penokean Orogen, East-Central Minnesota: An interpretation based on regional geophysics and the results of test-drilling. US Gov. Print. Off.

Chicago-Zitierstil (17. Ausg.)

Southwick, David L., Glenn B. Morey, und Timothy B. Holst. Tectonic Imbrication and Foredeep Development in the Penokean Orogen, East-Central Minnesota: An Interpretation Based on Regional Geophysics and the Results of Test-drilling. Washington: US Gov. Print. Off, 1991.

MLA-Zitierstil (9. Ausg.)

Southwick, David L., et al. Tectonic Imbrication and Foredeep Development in the Penokean Orogen, East-Central Minnesota: An Interpretation Based on Regional Geophysics and the Results of Test-drilling. US Gov. Print. Off, 1991.

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