APA (7th ed.) Citation

Pay, E., Cioban, H., Páy, G. L., & Nagy, S. R. Special internal worm gears.

Chicago Style (17th ed.) Citation

Pay, Eugen, Horia Cioban, Gábor László Páy, and Sándor Ravai Nagy. Special Internal Worm Gears.

MLA (9th ed.) Citation

Pay, Eugen, et al. Special Internal Worm Gears.

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