APA (7th ed.) Citation

Day Lewis, C. (1937). The friendly tree. Harper and Brothers.

Chicago Style (17th ed.) Citation

Day Lewis, C. The Friendly Tree. New York, London: Harper and Brothers, 1937.

MLA (9th ed.) Citation

Day Lewis, C. The Friendly Tree. Harper and Brothers, 1937.

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