publisher-type Type of Publisher (in a citation)
Type of publisher or publishing organization of a work being cited that is not a standard (for example, “government”, “university”, “commercial”, “foundation”, “private”, or “corporate”).
This attribute is not used to name the type of publisher for a cited standard (<std>).
OPTIONAL on elements: <element-citation>, <mixed-citation>, <nlm-citation>
|Text, numbers, or special characters||For citing works that are not standards, this attribute holds the type of publisher or publishing organization, for example, “government”.|
|Restriction||This is an optional attribute; there is no default.|