APA (7th ed.) Citation

Ward, C. H. (1923). Exploring nature. H. Holt and Co.

Chicago Style (17th ed.) Citation

Ward, C. H. Exploring Nature. New York: H. Holt and Co, 1923.

MLA (8th ed.) Citation

Ward, C. H. Exploring Nature. H. Holt and Co, 1923.

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