APA (7th ed.) Citation

Nelson, G. A., Bent-Forsythe, D. A., & Roopchand-Martin, S. C. (2012). Electromyographic activity of the rectus abdominis during a traditional crunch and the basic jackknife exercise with the Ab Lounge. Journal of strength and conditioning research, 26(6), 1584. https://doi.org/10.1519/JSC.0b013e318234e886

Chicago Style (17th ed.) Citation

Nelson, Gail A., Denise A. Bent-Forsythe, and Sharmella C. Roopchand-Martin. "Electromyographic Activity of the Rectus Abdominis During a Traditional Crunch and the Basic Jackknife Exercise with the Ab Lounge." Journal of Strength and Conditioning Research 26, no. 6 (2012): 1584. https://doi.org/10.1519/JSC.0b013e318234e886.

MLA (9th ed.) Citation

Nelson, Gail A., et al. "Electromyographic Activity of the Rectus Abdominis During a Traditional Crunch and the Basic Jackknife Exercise with the Ab Lounge." Journal of Strength and Conditioning Research, vol. 26, no. 6, 2012, p. 1584, https://doi.org/10.1519/JSC.0b013e318234e886.