Cita APA (7th ed.)

Spross, C. G., & Moore, E. E. (1928). A bird-note is calling. John Church.

Cita Chicago (17th ed.)

Spross, Charles Gilbert, i Elizabeth Evelyn Moore. A Bird-note Is Calling. Cincinnati: John Church, 1928.

Cita MLA (9th ed.)

Spross, Charles Gilbert, i Elizabeth Evelyn Moore. A Bird-note Is Calling. John Church, 1928.

Atenció: Aquestes cites poden no estar 100% correctes.