APA (7th ed.) Citation

International Peace Research Institute, Oslo, & International Peace Research Institute. (1967). Basic social science monographs from the International Peace Research Institute. Ejlers.

Chicago Style (17th ed.) Citation

International Peace Research Institute, Oslo, and International Peace Research Institute. Basic Social Science Monographs from the International Peace Research Institute. Copenhagen: Ejlers, 1967.

MLA (8th ed.) Citation

International Peace Research Institute, Oslo, and International Peace Research Institute. Basic Social Science Monographs from the International Peace Research Institute. Ejlers, 1967.