Scala perfectionis

MLA

Hilton, Walter, E Bouvet, and Maurice Noetinger. Scala Perfectionis. Tours: Mame, 1923.

APA

Hilton, W., Bouvet, E., & Noetinger, M. (1923). Scala perfectionis. Tours: Mame.

Chicago

Hilton, Walter, E Bouvet, and Maurice Noetinger. Scala Perfectionis. Tours: Mame, 1923.