4A2. Sources of information
The prescribed sources of information for the publication, etc., area are the title page , colophon, and other preliminaries, in that order of preference. If the information for an element (place, or publisher, or date) is not present in these sources, any source may be used to supply needed information, which is then enclosed in square brackets. This means that when statements belonging to the different elements are found in separate sources, they should be combined to make a complete publication, etc., area, with square brackets used as necessary. In general, do not combine statements belonging to a single element (place, or publisher, or date) when they appear in different sources within the publication (cf. 4C6 for an exception).
If any part of the publication, etc., area is taken from other than the title page, indicate its source in the note area. Give in the note area information not transcribed in the publication, etc., area if it is considered important.
See also:
