Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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