APA (7th ed.) Citation

Christensen, R. (2011). Plane answers to complex questions: The theory of linear models (4th ed.). Springer. https://doi.org/10.1007/978-1-4419-9816-3

Chicago Style (17th ed.) Citation

Christensen, Ronald. Plane Answers to Complex Questions: The Theory of Linear Models. 4th ed. New York: Springer, 2011. https://doi.org/10.1007/978-1-4419-9816-3.

MLA (9th ed.) Citation

Christensen, Ronald. Plane Answers to Complex Questions: The Theory of Linear Models. 4th ed. Springer, 2011. https://doi.org/10.1007/978-1-4419-9816-3.