Citazione Stile APA (7a Edizione)

Leyden, W. v. (1968). Seventeenth-century metaphysics: An examination of some main concepts and theories. G. Duckworth.

Citazione stile Chigago Style (17a edizione)

Leyden, Wolfgang von. Seventeenth-century Metaphysics: An Examination of Some Main Concepts and Theories. London: G. Duckworth, 1968.

Citatione MLA (9a ed.)

Leyden, Wolfgang von. Seventeenth-century Metaphysics: An Examination of Some Main Concepts and Theories. G. Duckworth, 1968.