Citations of Hofmeister XIX and the materials contained within it should fulfil two purposes:provide due acknowledgement of the resource, and permit readers to verify the information contained in the citation.

The first purpose may be fulfilled by a citation as follows:

Hofmeister XIX <http://www.hofmeister.rhul.ac.uk>

In the case of individual citations, the second purpose is best fulfilled by reference to the original printed document, for instance 'July 1884, p. 12'. This has the advantage that readers who are accessing the Monatsbericht other than by means of Hofmeister XIX will be able to follow the reference. This might give rise to a citation as follows:

Hofmeister XIX <http://www.hofmeister.rhul.ac.uk>, July 1884, p. 12.

Where statistical information is presented, such as the result of list searches, version information should be provided. This might give rise to a citation as follows:

Hofmeister XIX <http://www.hofmeister.rhul.ac.uk>, version 1.0.