Ryding, E., & Wentz, M. (1965). The concept "cause" as used in historical explanation: Two studies. CWK Gleerup.
Style de citation Chicago (17e éd.)Ryding, Erik, et Mary Wentz. The Concept "Cause" as Used in Historical Explanation: Two Studies. Lund: CWK Gleerup, 1965.
Style de citation MLA (9e éd.)Ryding, Erik, et Mary Wentz. The Concept "Cause" as Used in Historical Explanation: Two Studies. CWK Gleerup, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.