APA (7th ed.) Citation

Bertels, K. (1907). Francisco Goya. Piper.

Chicago Style (17th ed.) Citation

Bertels, Kurt. Francisco Goya. München: Piper, 1907.

MLA (9th ed.) Citation

Bertels, Kurt. Francisco Goya. Piper, 1907.

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