APA (7th ed.) Citation

D, S. W. (1992). Welcome to English ( Guide Book 1 ). English Language Services.

Chicago Style (17th ed.) Citation

D, Sheeler Willard. Welcome to English ( Guide Book 1 ). English Language Services, 1992.

MLA (8th ed.) Citation

D, Sheeler Willard. Welcome to English ( Guide Book 1 ). English Language Services, 1992.

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