APA (7th ed.) Citation

F, S., & ZM, M. (2020). A Practical Guide to Resonance Frequency Assessment for Heart Rate Variability Biofeedback. Frontiers in neuroscience, 14, 570400. https://doi.org/10.3389/fnins.2020.570400

Chicago Style (17th ed.) Citation

F, Shaffer, and Meehan ZM. "A Practical Guide to Resonance Frequency Assessment for Heart Rate Variability Biofeedback." Frontiers in Neuroscience 14 (2020): 570400. https://doi.org/10.3389/fnins.2020.570400.

MLA (9th ed.) Citation

F, Shaffer, and Meehan ZM. "A Practical Guide to Resonance Frequency Assessment for Heart Rate Variability Biofeedback." Frontiers in Neuroscience, vol. 14, 2020, p. 570400, https://doi.org/10.3389/fnins.2020.570400.