APA (7th ed.) Citation

Voltes, P. (1957). Federico el Grande (1a. ed.). Salvat.

Chicago Style (17th ed.) Citation

Voltes, Pedro. Federico El Grande. 1a. ed. Barcelona: Salvat, 1957.

MLA (9th ed.) Citation

Voltes, Pedro. Federico El Grande. 1a. ed. Salvat, 1957.

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