Cita APA (7th ed.)

Schor, H. J., & Gray, D. H. (2007). Landforming: An environmental approach to hillside development, mine reclamation and watershed restoration. John Wiley & Sons, Inc. https://doi.org/10.1002/9780470259900

Cita Chicago (17th ed.)

Schor, Horst J., i Donald H. Gray. Landforming: An Environmental Approach to Hillside Development, Mine Reclamation and Watershed Restoration. Hoboken, New Jersey: John Wiley & Sons, Inc, 2007. https://doi.org/10.1002/9780470259900.

Cita MLA (9th ed.)

Schor, Horst J., i Donald H. Gray. Landforming: An Environmental Approach to Hillside Development, Mine Reclamation and Watershed Restoration. John Wiley & Sons, Inc, 2007. https://doi.org/10.1002/9780470259900.