APA (7th ed.) Citation

Haydn, J., & Porta, N. (1932). Ritter Roland: Heroisch-komische Oper in 3 Akten ([Textbuch].). Beck.

Chicago Style (17th ed.) Citation

Haydn, Joseph, and Nunziato Porta. Ritter Roland: Heroisch-komische Oper in 3 Akten. [Textbuch]. Leipzig: Beck, 1932.

MLA (9th ed.) Citation

Haydn, Joseph, and Nunziato Porta. Ritter Roland: Heroisch-komische Oper in 3 Akten. [Textbuch]. Beck, 1932.

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