APA Citation

Sheeler, W. D. (1977). Welcome to english book 6. USA: English Language services.

Chicago Style Citation

Sheeler, Willard D. Welcome to English Book 6. USA: English Language services, 1977.

MLA Citation

Sheeler, Willard D. Welcome to English Book 6. USA: English Language services, 1977.

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