APA (7th ed.) Citation

Alves, S. F. L., Santos, T. A. B. P. d. S., Silva, M. L. d., & Cunha, K. d. C. Heart rate variability, sleep quality and physical activity in medical students. Elsevier.

Chicago Style (17th ed.) Citation

Alves, Samuel Filipe Lopes, Thaísy Andressa Bastos Primo de Sousa Santos, Marianne Lucena da Silva, and Katiane da Costa Cunha. Heart Rate Variability, Sleep Quality and Physical Activity in Medical Students. Elsevier.

MLA (9th ed.) Citation

Alves, Samuel Filipe Lopes, et al. Heart Rate Variability, Sleep Quality and Physical Activity in Medical Students. Elsevier.

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