Citazione Stile APA (7a Edizione)

Wilkin, J. P. (2017). How Large Is the "Public Domain"? A Comparative Analysis of Ringer's 1961 Copyright Renewal Study and HathiTrust CRMS Data.

Citazione stile Chigago Style (17a edizione)

Wilkin, John P. How Large Is the "Public Domain"? A Comparative Analysis of Ringer's 1961 Copyright Renewal Study and HathiTrust CRMS Data. 2017.

Citatione MLA (9a ed.)

Wilkin, John P. How Large Is the "Public Domain"? A Comparative Analysis of Ringer's 1961 Copyright Renewal Study and HathiTrust CRMS Data. 2017.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.