Einsele, G., & Seilacher, A. (1982). Cyclic and event stratification. Springer-Verlag.
Cita Chicago (17th ed.)Einsele, Gerhard, i Adolf Seilacher. Cyclic and Event Stratification. Berlin, New York: Springer-Verlag, 1982.
Cita MLA (9th ed.)Einsele, Gerhard, i Adolf Seilacher. Cyclic and Event Stratification. Springer-Verlag, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.