Cita APA (7a ed.)

Lehner, E. (1969). Symbols, signs & signets. Dover Publications.

Cita Chicago Style (17a ed.)

Lehner, Ernst. Symbols, Signs & Signets. New York: Dover Publications, 1969.

Cita MLA (9a ed.)

Lehner, Ernst. Symbols, Signs & Signets. Dover Publications, 1969.