APA (7th ed.) Citation

Herbert, F., & Herbert, p. B. (2020). Duna. Relógio d'Água.

Chicago Style (17th ed.) Citation

Herbert, Frank, and pref. Brian Herbert. Duna. Relógio d'Água, 2020.

MLA (8th ed.) Citation

Herbert, Frank, and pref. Brian Herbert. Duna. Relógio d'Água, 2020.

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