Cita APA (7a ed.)

Longfellow, H. W., & Layng, A. E. (1920). Shorter poems. Blackie and Son.

Cita Chicago Style (17a ed.)

Longfellow, Henry Wadsworth, y A. E. Layng. Shorter Poems. London: Blackie and Son, 1920.

Cita MLA (9a ed.)

Longfellow, Henry Wadsworth, y A. E. Layng. Shorter Poems. Blackie and Son, 1920.