Cita APA (7a ed.)

Gray, N. M. B. (1960). Lettering on building. The architectural press.

Cita Chicago Style (17a ed.)

Gray, Nicolette Mary Binyon. Lettering on Building. London: The architectural press, 1960.

Cita MLA (9a ed.)

Gray, Nicolette Mary Binyon. Lettering on Building. The architectural press, 1960.