APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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