Cita APA (7a ed.)

Smithsonian Institution & Schuchert, C. t. (1905). Karl Alfred von Zittel. Government Printing Of.

Cita Chicago Style (17a ed.)

Smithsonian Institution y Charles tr Schuchert. Karl Alfred Von Zittel. Washington: Government Printing Of, 1905.

Cita MLA (9a ed.)

Smithsonian Institution y Charles tr Schuchert. Karl Alfred Von Zittel. Government Printing Of, 1905.