Cita APA (7a ed.)

Richards, I. G., Palmer, J. P., & Barratt, P. A. (1993). The reclamation of former coal mines and steelworks. New York : Elsevier.

Cita Chicago Style (17a ed.)

Richards, I. G., J. P. Palmer, y P. A. Barratt. The Reclamation of Former Coal Mines and Steelworks. Amsterdam: New York : Elsevier, 1993.

Cita MLA (8a ed.)

Richards, I. G., et al. The Reclamation of Former Coal Mines and Steelworks. New York : Elsevier, 1993.