APA (7th ed.) Citation

Barr, G. (1959). Young scientist takes a walk: Guide to outdoor observations. Whittlesey House.

Chicago Style (17th ed.) Citation

Barr, George. Young Scientist Takes a Walk: Guide to Outdoor Observations. New York: Whittlesey House, 1959.

MLA (9th ed.) Citation

Barr, George. Young Scientist Takes a Walk: Guide to Outdoor Observations. Whittlesey House, 1959.

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