Cita APA (7th ed.)

Higman, B. (1977). A comparative study of programming languages (2nd ed.). Macdonald and Jane's.

Cita Chicago (17th ed.)

Higman, Bryan. A Comparative Study of Programming Languages. 2nd ed. London: Macdonald and Jane's, 1977.

Cita MLA (9th ed.)

Higman, Bryan. A Comparative Study of Programming Languages. 2nd ed. Macdonald and Jane's, 1977.