APA (7th ed.) Citation

Skolem, T., & Fenstad, J. E. (1970). Selected works in logic. Universitetsforlaget.

Chicago Style (17th ed.) Citation

Skolem, Th., and Jens Erik Fenstad. Selected Works in Logic. Oslo: Universitetsforlaget, 1970.

MLA (9th ed.) Citation

Skolem, Th., and Jens Erik Fenstad. Selected Works in Logic. Universitetsforlaget, 1970.