APA način citiranja (7. izdanje)

PARRAGON BOOKS. (2019). THEN & NOW (2015 Ed.). PARRAGON BOOK PUBLISHERS.

Čikaški stil citiranja (17. izdanje)

PARRAGON BOOKS. THEN & NOW. 2015 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.

MLA način citiranja (9. izdanje)

PARRAGON BOOKS. THEN & NOW. 2015 Ed. PARRAGON BOOK PUBLISHERS, 2019.