APA (7th ed.) Citation

Smith, L. L. (1968). A practical approach to the nongraded elementary school. Parker Pub.

Chicago Style (17th ed.) Citation

Smith, Lee L. A Practical Approach to the Nongraded Elementary School. West Nyack, N. Y: Parker Pub, 1968.

MLA (9th ed.) Citation

Smith, Lee L. A Practical Approach to the Nongraded Elementary School. Parker Pub, 1968.