Cita APA (7a ed.)

Struckmeier, W. F., & Margat, J. (1995). Hidrogeological maps: A guide and a standard legend. Heise.

Cita Chicago Style (17a ed.)

Struckmeier, Wilhem F., y Jean Margat. Hidrogeological Maps: A Guide and a Standard Legend. Hannover: Heise, 1995.

Cita MLA (8a ed.)

Struckmeier, Wilhem F., y Jean Margat. Hidrogeological Maps: A Guide and a Standard Legend. Heise, 1995.