APA (7th ed.) Citation

Ekman, T., & Froeberg, C. (1967). Introduction to ALGOL programming (3.ed.). Studentenlitteratur.

Chicago Style (17th ed.) Citation

Ekman, Torgil, and Carl-Erik Froeberg. Introduction to ALGOL Programming. 3.ed. Lund: Studentenlitteratur, 1967.

MLA (9th ed.) Citation

Ekman, Torgil, and Carl-Erik Froeberg. Introduction to ALGOL Programming. 3.ed. Studentenlitteratur, 1967.