Cita APA (7a ed.)

Atkin, W. W., Fiore, V. A., & Corbelletti, R. (1953). Pencil techniques in modern design. Reinhold.

Cita Chicago Style (17a ed.)

Atkin, William Wilson, Vincent A. Fiore, y Raniero Corbelletti. Pencil Techniques in Modern Design. New York: Reinhold, 1953.

Cita MLA (8a ed.)

Atkin, William Wilson, et al. Pencil Techniques in Modern Design. Reinhold, 1953.