APA-referens

Cho, L., Grabill, W. H., & Bogue, D. J. (1970). Differential current fertility in the United States. Community and Family Study Center, University of Chicago.

Chicago-stil citat

Cho, Lee-Jay, Wilson H. Grabill, och Donald Joseph Bogue. Differential Current Fertility in the United States. Chicago: Community and Family Study Center, University of Chicago, 1970.

MLA-referens

Cho, Lee-Jay, et al. Differential Current Fertility in the United States. Community and Family Study Center, University of Chicago, 1970.