Citazione Stile APA (7a Edizione)

Zwart, P. J. (1976). About time: A philosophical inquiry into the origin and nature of time. North-Holland ; American Elsevier.

Citazione stile Chigago Style (17a edizione)

Zwart, P. J. About Time: A Philosophical Inquiry into the Origin and Nature of Time. Amsterdam ; Oxford : New York: North-Holland ; American Elsevier, 1976.

Citatione MLA (9a ed.)

Zwart, P. J. About Time: A Philosophical Inquiry into the Origin and Nature of Time. North-Holland ; American Elsevier, 1976.