Cita APA (7a ed.)

Zeiger, D. (1997). Endless skies of blue: The national library of poetry. Watermark.

Cita Chicago Style (17a ed.)

Zeiger, Diana. Endless Skies of Blue: The National Library of Poetry. Owings Mills: Watermark, 1997.

Cita MLA (9a ed.)

Zeiger, Diana. Endless Skies of Blue: The National Library of Poetry. Watermark, 1997.