| Name | Description | Type | Package | Framework |
| AddressImpl | Location of the responsible individual or organization. | Class | org.geotools.metadata.iso.citation | GeoTools |
| CitationDateImpl | Reference date and event used to describe it. | Class | org.geotools.metadata.iso.citation | GeoTools |
| CitationImpl | Standardized resource reference. | Class | org.geotools.metadata.iso.citation | GeoTools |
| Citations | A set of pre-defined constants and static methods working on citations. | Class | org.geotools.metadata.iso.citation | GeoTools |
| ContactImpl | Information required to enable contact with the responsible person and/or organization. | Class | org.geotools.metadata.iso.citation | GeoTools |
| OnLineResourceImpl | Information about on-line sources from which the dataset, specification, or community profile name and extended metadata elements can be obtained. | Class | org.geotools.metadata.iso.citation | GeoTools |
| ResponsiblePartyImpl | Identification of, and means of communication with, person(s) and organizations associated with the dataset. | Class | org.geotools.metadata.iso.citation | GeoTools |
| SeriesImpl | Information about the series, or aggregate dataset, to which a dataset belongs. | Class | org.geotools.metadata.iso.citation | GeoTools |
| TelephoneImpl | Telephone numbers for contacting the responsible individual or organization. | Class | org.geotools.metadata.iso.citation | GeoTools |