Cita APA (7a ed.)

Sweeting, M. M., & Pfeffer, K. (1976). Karst processes. Gebr. Borntraeger.

Cita Chicago Style (17a ed.)

Sweeting, Marjorie Mary, y Karl-Heinz Pfeffer. Karst Processes. Berlin: Gebr. Borntraeger, 1976.

Cita MLA (8a ed.)

Sweeting, Marjorie Mary, y Karl-Heinz Pfeffer. Karst Processes. Gebr. Borntraeger, 1976.