APA (7th ed.) Citation

Sheeler, W. D. Welcome to ENGLISH 6: GUIDEBOOK. English Language Services.

Chicago Style (17th ed.) Citation

Sheeler, Willard D. Welcome to ENGLISH 6: GUIDEBOOK. English Language Services.

MLA (8th ed.) Citation

Sheeler, Willard D. Welcome to ENGLISH 6: GUIDEBOOK. English Language Services.

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