Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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