APA (7th ed.) Citation

Langefors, B. (1967). Theoretical analysis of information systems / by B. Langefors (2nd ed.). Studentlitteratur.

Chicago Style (17th ed.) Citation

Langefors, B. Theoretical Analysis of Information Systems / by B. Langefors. 2nd ed. Studentlitteratur, 1967.

MLA (9th ed.) Citation

Langefors, B. Theoretical Analysis of Information Systems / by B. Langefors. 2nd ed. Studentlitteratur, 1967.

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