APA (7th ed.) Citation

Poulsen, V. (1959). A guide to the collections (4. ed.). Ny Carlsberg Found.

Chicago Style (17th ed.) Citation

Poulsen, Vagn. A Guide to the Collections. 4. ed. Copenhagen: Ny Carlsberg Found, 1959.

MLA (9th ed.) Citation

Poulsen, Vagn. A Guide to the Collections. 4. ed. Ny Carlsberg Found, 1959.