APA (7th ed.) Citation

Cornelius, E. T. (1990). American english I. Úlehla.

Chicago Style (17th ed.) Citation

Cornelius, Edwin T. American English I. Praha: Úlehla, 1990.

MLA (9th ed.) Citation

Cornelius, Edwin T. American English I. Úlehla, 1990.

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