APA (7th ed.) Citation

Ekman, T., & Froeberg, C. (1971). Introduction to ALGOL programming (2. ed. [i.e. 3.ed.].). Studentenlitteratur.

Chicago Style (17th ed.) Citation

Ekman, Torgil, and Carl-Erik Froeberg. Introduction to ALGOL Programming. 2. ed. [i.e. 3.ed.]. Lund: Studentenlitteratur, 1971.

MLA (9th ed.) Citation

Ekman, Torgil, and Carl-Erik Froeberg. Introduction to ALGOL Programming. 2. ed. [i.e. 3.ed.]. Studentenlitteratur, 1971.