APA (7th ed.) Zitazioa

Loefling, P. L. (1957). Plantae americanae. Insula.

Chicago Style (17th ed.) Zitazioa

Loefling, Pedro Löfling. Plantae Americanae. Madrid: Insula, 1957.

MLA (9th ed.) Zitazioa

Loefling, Pedro Löfling. Plantae Americanae. Insula, 1957.