APA Citation

Sheeler, W. D. (1990). Welcome to English 6 (Guidebook). English Language Services.

Chicago Style Citation

Sheeler, Willard D. Welcome to English 6 (Guidebook). English Language Services, 1990.

MLA Citation

Sheeler, Willard D. Welcome to English 6 (Guidebook). English Language Services, 1990.

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