APA (7th ed.) Citation

Tewksbury, J. L. (1967). Nongrading in the elementary school. C.E. Merrill Books.

Chicago Style (17th ed.) Citation

Tewksbury, John L. Nongrading in the Elementary School. Columbus, Ohio: C.E. Merrill Books, 1967.

MLA (9th ed.) Citation

Tewksbury, John L. Nongrading in the Elementary School. C.E. Merrill Books, 1967.

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