Steele, J. M. (2007). Calendars and years. Oxbow Books.
Chicago Style (17th ed.) CitationSteele, John M. Calendars and Years. Oxford [u.a.]: Oxbow Books, 2007.
MLA (8th ed.) CitationSteele, John M. Calendars and Years. Oxbow Books, 2007.
Warning: These citations may not always be 100% accurate.