APA (7th ed.) Citation

Katz, R. C., Simkin, L. R., Beauchamp, K. L., & Matheson, D. W. (1987). Specific and nonspecific effects of EMG biofeedback. Biofeedback and self-regulation, 12(3), 241. https://doi.org/10.1007/bf00999204

Chicago Style (17th ed.) Citation

Katz, R C., L R. Simkin, K L. Beauchamp, and D W. Matheson. "Specific and Nonspecific Effects of EMG Biofeedback." Biofeedback and Self-regulation 12, no. 3 (1987): 241. https://doi.org/10.1007/bf00999204.

MLA (9th ed.) Citation

Katz, R C., et al. "Specific and Nonspecific Effects of EMG Biofeedback." Biofeedback and Self-regulation, vol. 12, no. 3, 1987, p. 241, https://doi.org/10.1007/bf00999204.