APA (7th ed.) Citation

Higman, B. (1969). A comparative study of programming languages (3.impr.). American Elsevier Publ.Company.

Chicago Style (17th ed.) Citation

Higman, Bryan. A Comparative Study of Programming Languages. 3.impr. New York: American Elsevier Publ.Company, 1969.

MLA (9th ed.) Citation

Higman, Bryan. A Comparative Study of Programming Languages. 3.impr. American Elsevier Publ.Company, 1969.

Warning: These citations may not always be 100% accurate.