Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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