Cita APA (7th ed.)

Ziegler, K., & Greco, N. (1994). Paper sculpture: A step-by-step guide. Rockport Publishers.

Cita Chicago (17th ed.)

Ziegler, Kathleen, i Nick Greco. Paper Sculpture: A Step-by-step Guide. Rockport, Mass: Rockport Publishers, 1994.

Cita MLA (9th ed.)

Ziegler, Kathleen, i Nick Greco. Paper Sculpture: A Step-by-step Guide. Rockport Publishers, 1994.