Cita APA (7th ed.)

Goldman, K., Grame, M., & Schneider, W. (2004). Soft pastel. Walter Foster Publishing.

Cita Chicago (17th ed.)

Goldman, Ken, Marilyn Grame, i William Schneider. Soft Pastel. Laguna Hills, California: Walter Foster Publishing, 2004.

Cita MLA (9th ed.)

Goldman, Ken, et al. Soft Pastel. Walter Foster Publishing, 2004.