APA (7th ed.) Citation

Sheeler, W. D. M. (1978). Extra drills & practices. English Language Services.

Chicago Style (17th ed.) Citation

Sheeler, Willard De Mont. Extra Drills & Practices. [Portland, Or.]: English Language Services, 1978.

MLA (9th ed.) Citation

Sheeler, Willard De Mont. Extra Drills & Practices. English Language Services, 1978.

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