The content of the "Dataset citation provided by the publisher" depends on the metadata supplied by the publisher.
In some cases this may be incomplete. A standard default form for citing is provided as an alternative.
We are in transition towards providing more consistent citation text for all datasets.
Dataset citation provided by publisher
iziko South African Museum - Mollusc Collection
Ocean Biogeographic Information System:
iziko South African Museum - Mollusc Collection (AfrOBIS).
Accessed via http://www.gbif.org/dataset/83fa2844-f762-11e1-a439-00145eb45e9a on 2015-01-26
Acknowledge the use of specific records from contributing databases in the form appearing in the 'Citation' field thereof (if any); and acknowledge the use of the OBIS facility. For information purposes, email to firstname.lastname@example.org the full citation of any publication made (printed or electronic) that cites OBIS or any constituent part. Recognize the limitations of data in OBIS see http://www.iobis.org/data/policy/disclaimer for details.