APA (7th ed.) Citation

Weldon Vernon, S. Pedro de Valdivia, conquistador of Chile.

Chicago Style (17th ed.) Citation

Weldon Vernon, Stevenson. Pedro De Valdivia, Conquistador of Chile.

MLA (8th ed.) Citation

Weldon Vernon, Stevenson. Pedro De Valdivia, Conquistador of Chile.

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