APA (7th ed.) Citation

London. The National Book League. (1965). School library books non-fiction.

Chicago Style (17th ed.) Citation

London. The National Book League. School Library Books Non-fiction. London, 1965.

MLA (9th ed.) Citation

London. The National Book League. School Library Books Non-fiction. 1965.

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