Citazione APA

Gerdes, G., & Krumbein, W. E. (1987). Lecture notes in earth sciences: Biolaminated deposits. Springer.

Stile di citazione Chicago

Gerdes, Gisela, e Wolfgang E. Krumbein. Lecture Notes in Earth Sciences: Biolaminated Deposits. New York: Springer, 1987.

Citazione MLA

Gerdes, Gisela, e Wolfgang E. Krumbein. Lecture Notes in Earth Sciences: Biolaminated Deposits. Springer, 1987.