Cita APA (7th ed.)

ebrary, Inc, Werneke, D., & DeBrandt, K. A. (2006). State profiles: The population and economy of each U.S. state (3rd ed.). Bernan Press.

Cita Chicago (17th ed.)

ebrary, Inc, Diane Werneke, i Katherine A. DeBrandt. State Profiles: The Population and Economy of Each U.S. State. 3rd ed. Lanham, MD.: Bernan Press, 2006.

Cita MLA (9th ed.)

ebrary, Inc, et al. State Profiles: The Population and Economy of Each U.S. State. 3rd ed. Bernan Press, 2006.