APA (7th ed.) Citation

Willems, E. (1964). El ritmo musical. EUDEBA.

Chicago Style (17th ed.) Citation

Willems, Edgard. El Ritmo Musical. Buenos aires: EUDEBA, 1964.

MLA (9th ed.) Citation

Willems, Edgard. El Ritmo Musical. EUDEBA, 1964.

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