Cita APA (7a ed.)
Levey, M. (1964). A Room to Room: Guide to the National Gallery. National Gallery.
Cita estilo Chicago (17a ed.)
Levey, Michael. A Room to Room: Guide to the National Gallery. Londres, Inglaterra: National Gallery, 1964.
Cita MLA (9a ed.)
Levey, Michael. A Room to Room: Guide to the National Gallery. National Gallery, 1964.
Precaución: Estas citas no son 100% exactas.