Citazione Stile APA (7a Edizione)

Apel, K., Adey, G., & Frisby, D. (1980). Towards a transformation of philosophy. Routledge & Kegan Paul.

Citazione stile Chigago Style (17a edizione)

Apel, Karl-Otto, Glyn Adey, e David Frisby. Towards a Transformation of Philosophy. London ; Boston ; Henley: Routledge & Kegan Paul, 1980.

Citatione MLA (9a ed.)

Apel, Karl-Otto, et al. Towards a Transformation of Philosophy. Routledge & Kegan Paul, 1980.