APA (7th ed.) Citation

Petrík, J., Girmanová, L., Havlík, M., & Palfy, P. THE OBSERVATIONS OF INDIRECT CALIBRATION OF MICROHARDNESS TESTERS.

Chicago Style (17th ed.) Citation

Petrík, J., L. Girmanová, M. Havlík, and P. Palfy. THE OBSERVATIONS OF INDIRECT CALIBRATION OF MICROHARDNESS TESTERS.

MLA (9th ed.) Citation

Petrík, J., et al. THE OBSERVATIONS OF INDIRECT CALIBRATION OF MICROHARDNESS TESTERS.