APA (7th ed.) Citation

Christensen, R. (1987). Plane answers to complex questions: The theory of linear models. Springer.

Chicago Style (17th ed.) Citation

Christensen, Ronald. Plane Answers to Complex Questions: The Theory of Linear Models. New York, NY [u.a.]: Springer, 1987.

MLA (9th ed.) Citation

Christensen, Ronald. Plane Answers to Complex Questions: The Theory of Linear Models. Springer, 1987.