APA Citation

(1903). Four square: An experiment in education : Philadelphia, 1903. [Philadelphia, Pa.: The Association.

Chicago Style Citation

Four Square: An Experiment in Education : Philadelphia, 1903. [Philadelphia, Pa.: The Association, 1903.

MLA Citation

Four Square: An Experiment in Education : Philadelphia, 1903. [Philadelphia, Pa.: The Association, 1903.

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