APA-viite (7. p.)
Castle, H. N., Mead, G. H., & Mead, H. C. (2012). The collected letters of Henry Northrup Castle. Ohio University Press ; Samuel N. and Mary Castle Foundation.
Chicago-viite (17. p.)
Castle, Henry Northrup, George Herbert Mead, ja Helen Castle Mead. The Collected Letters of Henry Northrup Castle. Athens, Ohio : Honolulu, Hawai'i: Ohio University Press ; Samuel N. and Mary Castle Foundation, 2012.
MLA-viite (9. p.)
Castle, Henry Northrup, et al. The Collected Letters of Henry Northrup Castle. Ohio University Press ; Samuel N. and Mary Castle Foundation, 2012.
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