Cita APA (7th ed.)

Litvin, J., & Lee Salk. (1991). How to be a super sitter. VGM Career Horizons.

Cita Chicago (17th ed.)

Litvin, Jay, i Lee Salk. How to Be a Super Sitter. Lincolnwood, Ill., USA: VGM Career Horizons, 1991.

Cita MLA (9th ed.)

Litvin, Jay, i Lee Salk. How to Be a Super Sitter. VGM Career Horizons, 1991.