APA (7th ed.) Citation

Decourcelle, P., & Gandolfo, E. (1895). Cosmopolite valse. Paul Decourcelle.

Chicago Style (17th ed.) Citation

Decourcelle, Paul, and Eugène Gandolfo. Cosmopolite Valse. Nice: Paul Decourcelle, 1895.

MLA (9th ed.) Citation

Decourcelle, Paul, and Eugène Gandolfo. Cosmopolite Valse. Paul Decourcelle, 1895.

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