Cita APA (7th ed.)

Time Books (Firm). (1996). Great people of the 20th century. TIME Books, Inc.

Cita Chicago (17th ed.)

Time Books (Firm). Great People of the 20th Century. New York, NY: TIME Books, Inc, 1996.

Cita MLA (9th ed.)

Time Books (Firm). Great People of the 20th Century. TIME Books, Inc, 1996.