APA (7th ed.) Citation

Hynynen, E. (2011). Heart rate variability in chronic and acute stress: With special reference to nocturnal sleep and acute challenges after awakening.

Chicago Style (17th ed.) Citation

Hynynen, Esa. Heart Rate Variability in Chronic and Acute Stress: With Special Reference to Nocturnal Sleep and Acute Challenges After Awakening. Jyväskylä, 2011.

MLA (9th ed.) Citation

Hynynen, Esa. Heart Rate Variability in Chronic and Acute Stress: With Special Reference to Nocturnal Sleep and Acute Challenges After Awakening. 2011.

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