Cita APA (7a ed.)

Smith, J. A. (1992). The pen & ink book: Materials and techniques for today's artist. Watson-Guptill Publications.

Cita Chicago Style (17a ed.)

Smith, Joseph A. The Pen & Ink Book: Materials and Techniques for Today's Artist. New York: Watson-Guptill Publications, 1992.

Cita MLA (8a ed.)

Smith, Joseph A. The Pen & Ink Book: Materials and Techniques for Today's Artist. Watson-Guptill Publications, 1992.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.