APA (7th ed.) Citation

Starchak A. S. & Goldstein A. E. Aleksandr Efremovich. (2015). Portable electrocardiograph to diagnose heart diseases. 2015.

Chicago Style (17th ed.) Citation

Starchak A. S. and Goldstein A. E. Aleksandr Efremovich. Portable Electrocardiograph to Diagnose Heart Diseases. 2015, 2015.

MLA (9th ed.) Citation

Starchak A. S. and Goldstein A. E. Aleksandr Efremovich. Portable Electrocardiograph to Diagnose Heart Diseases. 2015, 2015.