APA (7th ed.) Citation

Gall, J. (2009). A Practical Enquiry into the Philosophy of Education. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gall, James. A Practical Enquiry into the Philosophy of Education. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Gall, James. A Practical Enquiry into the Philosophy of Education. Project Gutenberg, 2009.

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