APA (7th ed.) Citation

Tryon, R. M. (1918). Some books of interest to teachers of history in the elementary school. Elementary School Journal, 18(10), 808.

Chicago Style (17th ed.) Citation

Tryon, R. M. "Some Books of Interest to Teachers of History in the Elementary School." Elementary School Journal 18, no. 10 (1918): 808.

MLA (9th ed.) Citation

Tryon, R. M. "Some Books of Interest to Teachers of History in the Elementary School." Elementary School Journal, vol. 18, no. 10, 1918, p. 808.