Picture Persistent Identifier
https://nla.gov.au/nla.obj-135243770
Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn1823204
APA Citation
Lock, Carl. (1975). Portrait of John O'Grady. http://nla.gov.au/nla.obj-135243770
MLA Citation
Lock, Carl. Portrait of John O'Grady [picture] / Lock 1975 <http://nla.gov.au/nla.obj-135243770>
Australian/Harvard Citation
Lock, Carl. 1975, Portrait of John O'Grady [picture] / Lock <http://nla.gov.au/nla.obj-135243770>
Wikipedia Citation
{{Citation | title=Portrait of John O'Grady [picture] / Lock | author1=Lock, Carl | year=1975 | language=English | url=https://nla.gov.au/nla.obj-135243770 }}