Cita APA (7a ed.)

Albertus, M., & Geyer, B. (1960). Metaphysica. Aedibus Aschendorff.

Cita Chicago Style (17a ed.)

Albertus, Magnus, y Bernhard Geyer. Metaphysica. Monasterii Westfalorum [i.e. Münster in Westfalen, Germany]: Aedibus Aschendorff, 1960.

Cita MLA (8a ed.)

Albertus, Magnus, y Bernhard Geyer. Metaphysica. Aedibus Aschendorff, 1960.