APA (7th ed.) Citation

Turek, I., & Baják, I. Echo phenomena in piezoelectric powders.

Chicago Style (17th ed.) Citation

Turek, I., and Ivan Baják. Echo Phenomena in Piezoelectric Powders.

MLA (9th ed.) Citation

Turek, I., and Ivan Baják. Echo Phenomena in Piezoelectric Powders.

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