Cita APA (7a ed.)

Humez, A., & Humez, N. D. (2008). On the dot: The speck that changed the world. Oxford University Press.

Cita Chicago Style (17a ed.)

Humez, Alexander, y Nicholas D. Humez. On the Dot: The Speck That Changed the World. Oxford ; New York: Oxford University Press, 2008.

Cita MLA (9a ed.)

Humez, Alexander, y Nicholas D. Humez. On the Dot: The Speck That Changed the World. Oxford University Press, 2008.