Chicago:
Henry Wadsworth Longfellow, "A Summer Day by the Sea," Birds of Passage: Flight The Third, ed. Callaway, Morgan, Jr., 1962- in The Complete Poetical Works of Henry Wadsworth Longfellow (New York: George E. Wood, 1850), Original Sources, accessed July 15, 2025, http://www.originalsources.com/Document.aspx?DocID=4VB4R8G42D6CJBG.
MLA:
Longfellow, Henry Wadsworth. "A Summer Day by the Sea." Birds of Passage: Flight The Third, edited by Callaway, Morgan, Jr., 1962-, in The Complete Poetical Works of Henry Wadsworth Longfellow, New York, George E. Wood, 1850, Original Sources. 15 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=4VB4R8G42D6CJBG.
Harvard:
Longfellow, HW, 'A Summer Day by the Sea' in Birds of Passage: Flight The Third, ed. . cited in 1850, The Complete Poetical Works of Henry Wadsworth Longfellow, George E. Wood, New York. Original Sources, retrieved 15 July 2025, from http://www.originalsources.com/Document.aspx?DocID=4VB4R8G42D6CJBG.