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Give ”[publisher not identified]” when there is no publishing statement and there is no probable publisher that could be supplied. (RDA 2.8.4.7) . In such cases, if a distributor statement is available, provide that statement.
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264 #1 $a Paris [Maine] : $b [publisher not identified]
Date of Publication. RDA defines the publication date as a date associated with the publication, release, or issuing of a resource. (CCM:10.4.1) LC/PCC practice is not to record copyright dates for multipart monographs, serials, and integrating resources. Give the date of publication of the first issue followed by a hyphen when the first issue is in hand; give the date of the last issue when the serial is complete and the last issue is in hand.” (CCM: 10.4.2a)
264 #1 $a ..., $c 1987-
362 1# $a Began with vol. 1, no. 1 (July 1987).
If neither the first nor last issue is in hand, do not give a date of publication according to RDA 2.8.6.5. (CCM: 10.4.2b)
When only an approximate date can be provided, a date containing a hyphen and/or question mark can be used as publication date (RDA 2.8.6.5).
264 #1 $a [Sugar Land, Texas.] : $b Internet Scientific
Publications, $c [between 2000 and 2009?]-
362 1# $a Began with vol. 1, no. 1.