Cita APA (7th ed.)

Pearsall, R. (1993). Introduction to pastel and acrylic. Grange Books.

Cita Chicago (17th ed.)

Pearsall, Ronald. Introduction to Pastel and Acrylic. London: Grange Books, 1993.

Cita MLA (9th ed.)

Pearsall, Ronald. Introduction to Pastel and Acrylic. Grange Books, 1993.