APA (7th ed.) Citation

Laborans <Cardinalis> & Landgraf, A. M. (1932). [Laborantis cardinalis Opuscula] Opuscula: Ed. Arturus Landgraf. Hanstein.

Chicago Style (17th ed.) Citation

Laborans <Cardinalis> and Artur Michael Landgraf. [Laborantis Cardinalis Opuscula] Opuscula: Ed. Arturus Landgraf. Bonn: Hanstein, 1932.

MLA (8th ed.) Citation

Laborans <Cardinalis> and Artur Michael Landgraf. [Laborantis Cardinalis Opuscula] Opuscula: Ed. Arturus Landgraf. Hanstein, 1932.

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