Cita APA (7a ed.)

GILL ROBERT W. (1973). RENDERING WITH PEN+INK. THAMES & HUDSON.

Cita Chicago Style (17a ed.)

GILL ROBERT W. RENDERING WITH PEN+INK. LONDON: THAMES & HUDSON, 1973.

Cita MLA (9a ed.)

GILL ROBERT W. RENDERING WITH PEN+INK. THAMES & HUDSON, 1973.