APA (7th ed.) Citation

Kustaanheimo, P. E. (1957). On the use of a gravitational vector potential in the relativity theory of Birkhoff. Suomalainen Tiedeakatemia.

Chicago Style (17th ed.) Citation

Kustaanheimo, Paul Edwin. On the Use of a Gravitational Vector Potential in the Relativity Theory of Birkhoff. Helsinki: Suomalainen Tiedeakatemia, 1957.

MLA (9th ed.) Citation

Kustaanheimo, Paul Edwin. On the Use of a Gravitational Vector Potential in the Relativity Theory of Birkhoff. Suomalainen Tiedeakatemia, 1957.

Warning: These citations may not always be 100% accurate.