Style de citation APA (7e éd.)

Castle, H. N., Mead, H. C., & Mead, G. H. (2012). The Collected Letters of Henry Northrup Castle. Samuel N. and Mary Castle Foundation.

Style de citation Chicago (17e éd.)

Castle, Henry Northrup, Helen Castle Mead, et George Herbert Mead. The Collected Letters of Henry Northrup Castle. Honolulu, Hawaii: Samuel N. and Mary Castle Foundation, 2012.

Style de citation MLA (8e éd.)

Castle, Henry Northrup, et al. The Collected Letters of Henry Northrup Castle. Samuel N. and Mary Castle Foundation, 2012.