Referencing (or citation style) is a standardized method to acknowledge information sources and ideas used in assignment uniquely identifying these sources. So, direct quotations with facts and figures (ideas and theories as well) from any kind of works (both published and unpublished) have to be referenced.
Citation of article in AGU referencing
Under AGU citation style guidelines, the citation displayed below includes: Author(s), Year of publication, Title of article, Title of journal, Volume number, Citation number, Digital Object Identifier (DOI).
AGU citation style example: First observations of a probable duration ULF waveform in the internal magnetosphere, J. Geophis. Res., 112, A03402, doi: 10.1029/2004JA008874.
AGU Citation Style: What is Citation Number
In AGU referencing, citation numbers are usually assigned at the publication time and sequential in frames of each issue or subject area/subset.
The citation number format shown above in the AGU citation style example is A03402: Continue reading >