APA (7th ed.) Citation

Digital Education Productions. (2003). EASY: How are you? (Ver. 2.1.). EASY, the ESL Series.

Chicago Style (17th ed.) Citation

Digital Education Productions. EASY: How Are You? Ver. 2.1. Half Moon Bay, CA: EASY, the ESL Series, 2003.

MLA (8th ed.) Citation

Digital Education Productions. EASY: How Are You? Ver. 2.1. EASY, the ESL Series, 2003.

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