MLA

Berry, André Q, Berry Brown, and Ian W Brown. Erosion On Archaeological Earthworks : Its Prevention, Control and Repair. Mold: Clwyd Archaeology Service, 1994.

APA

Berry, A. Q, Brown, B., & Brown, I. W. (1994). Erosion on archaeological earthworks : its prevention, control and repair. Mold: Clwyd Archaeology Service.

Chicago

Berry, André Q., Berry Brown, and Ian W Brown. Erosion On Archaeological Earthworks: Its Prevention, Control and Repair. Mold: Clwyd Archaeology Service, 1994.