Cita APA (7a ed.)

Vallins, G., & Treble, H. (1929). Narrative essays and sketches. Harrap.

Cita Chicago Style (17a ed.)

Vallins, G.H, y H.A Treble. Narrative Essays and Sketches. London: Harrap, 1929.

Cita MLA (9a ed.)

Vallins, G.H, y H.A Treble. Narrative Essays and Sketches. Harrap, 1929.