APA (7th ed.) Citation

Galileo, G. (1988). Cartas Copérnicanas. Ercilla.

Chicago Style (17th ed.) Citation

Galileo, Galilei. Cartas Copérnicanas. Ercilla, 1988.

MLA (9th ed.) Citation

Galileo, Galilei. Cartas Copérnicanas. Ercilla, 1988.

Warning: These citations may not always be 100% accurate.