APA (7th ed.) Citation

Morris, P. A. (1944). They hop and crawl. The Jaques Cattell press.

Chicago Style (17th ed.) Citation

Morris, Percy A. They Hop and Crawl. Lancaster, Pa.: The Jaques Cattell press, 1944.

MLA (9th ed.) Citation

Morris, Percy A. They Hop and Crawl. The Jaques Cattell press, 1944.

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