Haugh, I. (1931). The swan on the river: A poem beginning "Once I heard it said a swan was seen".
Chicago Style (17th ed.) CitationHaugh, Irene. The Swan on the River: A Poem Beginning "Once I Heard It Said a Swan Was Seen". 1931.
MLA (9th ed.) CitationHaugh, Irene. The Swan on the River: A Poem Beginning "Once I Heard It Said a Swan Was Seen". 1931.
Warning: These citations may not always be 100% accurate.