Cita APA (7th ed.)

Just, W. (1997). Echo house. Houghton Mifflin.

Cita Chicago (17th ed.)

Just, Ward. Echo House. Boston: Houghton Mifflin, 1997.

Cita MLA (9th ed.)

Just, Ward. Echo House. Houghton Mifflin, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.