APA (7th ed.) Citation

United States. Bureau of the Census. Geography Division, United States. Bureau of the Census. Population Division, & United States. Bureau of the Census. Data Preparation Division. (1990). Metropolitan areas (MSAs, CMSAs, and PMSAs) June 30, 1990. The Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. Geography Division, United States. Bureau of the Census. Population Division, and United States. Bureau of the Census. Data Preparation Division. Metropolitan Areas (MSAs, CMSAs, and PMSAs) June 30, 1990. [Washington, D.C.]: The Bureau, 1990.

MLA (9th ed.) Citation

United States. Bureau of the Census. Geography Division, et al. Metropolitan Areas (MSAs, CMSAs, and PMSAs) June 30, 1990. The Bureau, 1990.