Cita APA (7a ed.)
Stokes, W. L. (1960). Essentials of earth history, an introduction to historical geology (2a ed.). Prentice-Hall, Inc..
Cita Chicago Style (17a ed.)
Stokes, William Lee. Essentials of Earth History, an Introduction to Historical Geology. 2a ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., 1960.
Cita MLA (9a ed.)
Stokes, William Lee. Essentials of Earth History, an Introduction to Historical Geology. 2a ed. Prentice-Hall, Inc., 1960.
Precaución: Estas citas no son 100% exactas.