Citazione Stile APA (7a Edizione)

Carlsen, G. R., Tovatt, A., & Tovatt, P. O. (1969). Focus: Themes in literature. Webster Division, McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Carlsen, G. Robert, Anthony Tovatt, e Patricia O. Tovatt. Focus: Themes in Literature. New York: Webster Division, McGraw-Hill, 1969.

Citatione MLA (9a ed.)

Carlsen, G. Robert, et al. Focus: Themes in Literature. Webster Division, McGraw-Hill, 1969.