NACO Participants' Manual -3rd Edition - Library of Congress

IV. Citing the Imprint or Other DateThe format for citing the date in the 670 field is governed by how it appears in thebibliographic record for the work cataloged. Generally, they will be the same. The date in theauthority record does not include brackets even when they are used on the bibliographicrecord. The following should also be included when citing the date:Examples:A. Other symbols used, including the copyright "c" or phonogram copyright "p,"question marks, and hyphens.B. Multiple dates, if the bibliographic record has them.C. The Gregorian date only, if the bibliographic record has both Gregorian and non-Gregorian dates.Bibliographic record:260 $a London : $b Macmillan, $c 1986.Authority record:670 $a George Orwell, 1986: $b t.p. (Adrian Quine)Bibliographic record:260 $a Kyoto : $b Benrido, Taisho 15 [1926]Authority record:670 $a Shina kachoga satsu, 1926: $b colophon (Tanaka Denzaburo [in rom.])Bibliographic record:260 $a Washington : $b NASA, $c c1974, distributed 1975.Authority record:670 $a Apollo to the moon, c1974, distributed 1975: $b cover (Harry S. Galene)42