APA Style

Jorgensen, Jorgen, Fields, Marion L.. (). A Treatise of formal logic its evolution and main branches- with its relations to mathematics and philosophy . : .

Chicago Style

Jorgensen, Jorgen, Fields, Marion L.. A Treatise of formal logic its evolution and main branches- with its relations to mathematics and philosophy. : , . .

MLA Style

Jorgensen, Jorgen, Fields, Marion L.. A Treatise of formal logic its evolution and main branches- with its relations to mathematics and philosophy. : , . .

Turabian Style

Jorgensen, Jorgen, Fields, Marion L.. A Treatise of formal logic its evolution and main branches- with its relations to mathematics and philosophy. : , . .