Holmberg, I. (1968). Demographic models DM4. University of Goteborg. Demographic Institute.
Chicago Style (17th ed.) CitationHolmberg, Ingvar. Demographic Models DM4. Goteborg: University of Goteborg. Demographic Institute, 1968.
MLA (9th ed.) CitationHolmberg, Ingvar. Demographic Models DM4. University of Goteborg. Demographic Institute, 1968.