Cita APA

Blackwell, D. H. 1. -., & Blackwell, D. H. 1. -. (1969). Basic statistics. New York, New York: McGraw-Hill.

Citación estilo Chicago

Blackwell, David Harold 1919 -, y David Harold 1919 - Blackwell. Basic Statistics. New York, New York: McGraw-Hill, 1969.

Cita MLA

Blackwell, David Harold 1919 -, y David Harold 1919 - Blackwell. Basic Statistics. New York, New York: McGraw-Hill, 1969.