Cita APA (7a ed.)
Kustaanheimo, P. (1955). Some remarks on the general relativity theory of Birkhoff.
Cita Chicago Style (17a ed.)
Kustaanheimo, Paul. Some Remarks on the General Relativity Theory of Birkhoff. 1955.
Cita MLA (9a ed.)
Kustaanheimo, Paul. Some Remarks on the General Relativity Theory of Birkhoff. 1955.
Precaución: Estas citas no son 100% exactas.