APA (7th ed.) Citation

Juan Ruysbroeck, B., Baere, G. d., & Rolfson, H. (1981). Opera omnia. Lannoo [etc.].

Chicago Style (17th ed.) Citation

Juan Ruysbroeck, Beato, Guido de Baere, and H. Rolfson. Opera Omnia. Tielt [etc.]: Lannoo [etc.], 1981.

MLA (9th ed.) Citation

Juan Ruysbroeck, Beato, et al. Opera Omnia. Lannoo [etc.], 1981.