Citazione Stile APA (7a Edizione)

Higman, B. (1967). A comparative study of programming languages. Elsevier Publishing.

Citazione stile Chigago Style (17a edizione)

Higman, Bryan. A Comparative Study of Programming Languages. New York: Elsevier Publishing, 1967.

Citatione MLA (9a ed.)

Higman, Bryan. A Comparative Study of Programming Languages. Elsevier Publishing, 1967.