Cita APA

Karen, R. (1985). Toward the year 2000. New York: William Morrow and Company.

Citación estilo Chicago

Karen, Ruth. Toward the Year 2000. New York: William Morrow and Company, 1985.

Cita MLA

Karen, Ruth. Toward the Year 2000. New York: William Morrow and Company, 1985.