Cita APA (7th ed.)

Simpson, G., & Kafka, F. (1957). Basic statistics: A textbook for the first course. Norton.

Cita Chicago (17th ed.)

Simpson, George, i Fritz Kafka. Basic Statistics: A Textbook for the First Course. New York: Norton, 1957.

Cita MLA (9th ed.)

Simpson, George, i Fritz Kafka. Basic Statistics: A Textbook for the First Course. Norton, 1957.