APA (7th ed.) Citation

Huntington-Klein, N. (2026). The effect: An introduction to research design and causality (Second edition.). CRC Press.

Chicago Style (17th ed.) Citation

Huntington-Klein, Nick. The Effect: An Introduction to Research Design and Causality. Second edition. Boca Raton, FL: CRC Press, 2026.

MLA (9th ed.) Citation

Huntington-Klein, Nick. The Effect: An Introduction to Research Design and Causality. Second edition. CRC Press, 2026.