APA (7th ed.) Citation

Viru, A., Smirnova, T., & Tendzegolskis, Ž. Changes of □-Endorphin Level in Blood during Prolonged Exercise.

Chicago Style (17th ed.) Citation

Viru, A., T. Smirnova, and Ž Tendzegolskis. Changes of □-Endorphin Level in Blood During Prolonged Exercise.

MLA (9th ed.) Citation

Viru, A., et al. Changes of □-Endorphin Level in Blood During Prolonged Exercise.