APA (7th ed.) Citation

Angelescu, G., & De Nance, D. (2017). Teach yourself English. C21ETV.

Chicago Style (17th ed.) Citation

Angelescu, George, and Doug De Nance. Teach Yourself English. Calgary, AB: C21ETV, 2017.

MLA (9th ed.) Citation

Angelescu, George, and Doug De Nance. Teach Yourself English. C21ETV, 2017.