Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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