Catalogue Persistent Identifier
https://nla.gov.au/nla.cat-vn2194268
APA Citation
Pearl, Leon. (1963). Four philosophical problems: God, freedom, mind, and perception. New York : Harper & Row
MLA Citation
Pearl, Leon. Four philosophical problems: God, freedom, mind, and perception Harper & Row New York 1963
Australian/Harvard Citation
Pearl, Leon. 1963, Four philosophical problems: God, freedom, mind, and perception Harper & Row New York
Wikipedia Citation
{{Citation | title=Four philosophical problems: God, freedom, mind, and perception | author1=Pearl, Leon | year=1963 | publisher=Harper & Row | language=English }}