Cita APA (7th ed.)

Gingerich, O. (1993). The eye of heaven: Ptolemy, Copernicus, Kepler. The American Institute of Physics.

Cita Chicago (17th ed.)

Gingerich, Owen. The Eye of Heaven: Ptolemy, Copernicus, Kepler. New York: The American Institute of Physics, 1993.

Cita MLA (9th ed.)

Gingerich, Owen. The Eye of Heaven: Ptolemy, Copernicus, Kepler. The American Institute of Physics, 1993.