APA (7th ed.) Citation

Wick, W. (1997). A drop of water: A book of science and wonder. Scholastic Press.

Chicago Style (17th ed.) Citation

Wick, Walter. A Drop of Water: A Book of Science and Wonder. New York: Scholastic Press, 1997.

MLA (9th ed.) Citation

Wick, Walter. A Drop of Water: A Book of Science and Wonder. Scholastic Press, 1997.