APA (7th ed.) Citation

Pešák, M., Šlechtová, L., Čižmárik, J., Borovanský, A., & Švec, P. Extraction of quaternary ammonium salts of heptacaine.

Chicago Style (17th ed.) Citation

Pešák, Milan, L. Šlechtová, Jozef Čižmárik, Alois Borovanský, and Pavel Švec. Extraction of Quaternary Ammonium Salts of Heptacaine.

MLA (9th ed.) Citation

Pešák, Milan, et al. Extraction of Quaternary Ammonium Salts of Heptacaine.

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