APA (7th ed.) Citation

Girschik, J., Fritschi, L., Heyworth, J., & Waters, F. (2012). Validation of self-reported sleep against actigraphy. British Medical Journal Group.

Chicago Style (17th ed.) Citation

Girschik, J., Lin Fritschi, J. Heyworth, and F. Waters. Validation of Self-reported Sleep Against Actigraphy. British Medical Journal Group, 2012.

MLA (9th ed.) Citation

Girschik, J., et al. Validation of Self-reported Sleep Against Actigraphy. British Medical Journal Group, 2012.