APA (7th ed.) Citation

Schindler-Milla, R. (2004). That forbidden door. Ed. Sea of Music.

Chicago Style (17th ed.) Citation

Schindler-Milla, Robert. That Forbidden Door. Taufkirchen: Ed. Sea of Music, 2004.

MLA (9th ed.) Citation

Schindler-Milla, Robert. That Forbidden Door. Ed. Sea of Music, 2004.