APA (7th ed.) Citation

Humboldt, A. v., & Minguet, C. (1980). Cartas americanas. Biblioteca Ayacucho.

Chicago Style (17th ed.) Citation

Humboldt, Alexander von, and Charles Minguet. Cartas Americanas. Caracas, Venezuela: Biblioteca Ayacucho, 1980.

MLA (8th ed.) Citation

Humboldt, Alexander von, and Charles Minguet. Cartas Americanas. Biblioteca Ayacucho, 1980.

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