Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn5882484
APA Citation
Cronin, Bernard, 1884-1968. (193-?). Geological fossil diagram, fig 266 Graptolites, Ordovician and Silurian species, 1930s.
MLA Citation
Cronin, Bernard, 1884-1968. Geological fossil diagram, fig 266 Graptolites, Ordovician and Silurian species, 1930s [transparency] 193-?
Australian/Harvard Citation
Cronin, Bernard, 1884-1968. 193-?, Geological fossil diagram, fig 266 Graptolites, Ordovician and Silurian species, 1930s [transparency]
Wikipedia Citation
{{Citation | title=Geological fossil diagram, fig 266 Graptolites, Ordovician and Silurian species, 1930s [transparency] | author1=Cronin, Bernard, 1884-1968 | language=No linguistic content }}