Cita APA (7th ed.)
Pomeroy, J. S., & Thomas, R. E. (1985). Geologic Relationships of slope movement in northern Alabama. United States Government Print. Office.
Cita Chicago (17th ed.)
Pomeroy, John S., i Roger E. Thomas. Geologic Relationships of Slope Movement in Northern Alabama. [Washington]: United States Government Print. Office, 1985.
Cita MLA (9th ed.)
Pomeroy, John S., i Roger E. Thomas. Geologic Relationships of Slope Movement in Northern Alabama. United States Government Print. Office, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.