Cita APA

Verhelst, W., & Verhelst, W. (1988). Sculpture: Tools, materials, and techniques (2. edition.). Englewood Cliffs, N.J.: Prentice Hall.

Citación estilo Chicago

Verhelst, Wilbert, y Wilbert Verhelst. Sculpture: Tools, Materials, and Techniques. 2. edition. Englewood Cliffs, N.J.: Prentice Hall, 1988.

Cita MLA

Verhelst, Wilbert, y Wilbert Verhelst. Sculpture: Tools, Materials, and Techniques. 2. edition. Englewood Cliffs, N.J.: Prentice Hall, 1988.