APA (7th ed.) Citation

Andersson, Å. E., & Holmberg, I. (1977). Demographic, economic, and social interaction. Ballinger Pub. Co..

Chicago Style (17th ed.) Citation

Andersson, Åke E., and Ingvar Holmberg. Demographic, Economic, and Social Interaction. Cambridge, Mass.: Ballinger Pub. Co., 1977.

MLA (9th ed.) Citation

Andersson, Åke E., and Ingvar Holmberg. Demographic, Economic, and Social Interaction. Ballinger Pub. Co., 1977.