APA (7th ed.) Citation

Rosenkranz, K., & Brackett, A. C. (2009). Pedagogics as a System. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rosenkranz, Karl, and Anna C. Brackett. Pedagogics as a System. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Rosenkranz, Karl, and Anna C. Brackett. Pedagogics as a System. Project Gutenberg, 2009.

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