APA način citiranja (7. izdanje)

Julius. (2001). The secret of the secret city: Private collection / by Julius. Juliustoons.

Čikaški stil citiranja (17. izdanje)

Julius. The Secret of the Secret City: Private Collection / by Julius. [USA]: Juliustoons, 2001.

MLA način citiranja (8. izdanje)

Julius. The Secret of the Secret City: Private Collection / by Julius. Juliustoons, 2001.