Cita APA

Ericson, R. E., & Ericson, R. E. (1990). The Soviet Union: 1979-1990. San Francisco, Calif.: International Center for Economic Growth.

Citación estilo Chicago

Ericson, Richard E., y Richard E. Ericson. The Soviet Union: 1979-1990. San Francisco, Calif.: International Center for Economic Growth, 1990.

Cita MLA

Ericson, Richard E., y Richard E. Ericson. The Soviet Union: 1979-1990. San Francisco, Calif.: International Center for Economic Growth, 1990.