Flower-de-luce.

MLA

Longfellow, Henry Wadsworth, Culture Class Collection (University of Pennsylvania) and American Culture Class Collection (University of Pennsylvania). Flower-de-luce. Boston : Ticknor and Fields, 1867.

APA

Longfellow, H., Culture Class Collection (University of Pennsylvania) & American Culture Class Collection (University of Pennsylvania). (1867). Flower-de-luce. Boston : Ticknor and Fields.

Chicago

Longfellow, Henry Wadsworth, Culture Class Collection (University of Pennsylvania) and American Culture Class Collection (University of Pennsylvania). Flower-de-luce. Boston : Ticknor and Fields, 1867.