Cita APA

Hutchins, R. M. (1952). Great books of the Western World: Ptolemy, Copernicus, Kepler. Encyclopaedia Britannica.

Chicago Edition Citation

Hutchins, Robert Maynard. Great Books of the Western World: Ptolemy, Copernicus, Kepler. Chicago: Encyclopaedia Britannica, 1952.

Cita MLA

Hutchins, Robert Maynard. Great Books of the Western World: Ptolemy, Copernicus, Kepler. Encyclopaedia Britannica, 1952.