Cita APA (7a ed.)
Vogel, R. M. (1961). Elevator Systems of the Eiffel Tower 1889. Smithsonian Institution.
Cita Chicago Style (17a ed.)
Vogel, Robert M. Elevator Systems of the Eiffel Tower 1889. Washington: Smithsonian Institution, 1961.
Cita MLA (9a ed.)
Vogel, Robert M. Elevator Systems of the Eiffel Tower 1889. Smithsonian Institution, 1961.
Precaución: Estas citas no son 100% exactas.