APA (7th ed.) Citation

Cortés Pla 1898. (1945). Isaac Newton. Espasa-Calpe.

Chicago Style (17th ed.) Citation

Cortés Pla 1898. Isaac Newton. Buenos Aires: Espasa-Calpe, 1945.

MLA (9th ed.) Citation

Cortés Pla 1898. Isaac Newton. Espasa-Calpe, 1945.

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