APA (7th ed.) Citation

Harkin, B., & Kessler, K. (2009). How checking breeds doubt: Reduced performance in a simple workingmemory task. Behaviour Research & Therapy, 47(6), 504. https://doi.org/10.1016/j.brat.2009.03.002

Chicago Style (17th ed.) Citation

Harkin, Ben, and Klaus Kessler. "How Checking Breeds Doubt: Reduced Performance in a Simple Workingmemory Task." Behaviour Research & Therapy 47, no. 6 (2009): 504. https://doi.org/10.1016/j.brat.2009.03.002.

MLA (9th ed.) Citation

Harkin, Ben, and Klaus Kessler. "How Checking Breeds Doubt: Reduced Performance in a Simple Workingmemory Task." Behaviour Research & Therapy, vol. 47, no. 6, 2009, p. 504, https://doi.org/10.1016/j.brat.2009.03.002.

Warning: These citations may not always be 100% accurate.