APA (7th ed.) Citation

Kustaanheimo, P. E. (1958). On a unified field theory based on the special theory of relativity.

Chicago Style (17th ed.) Citation

Kustaanheimo, Paul Edwin. On a Unified Field Theory Based on the Special Theory of Relativity. Helsingfors, 1958.

MLA (9th ed.) Citation

Kustaanheimo, Paul Edwin. On a Unified Field Theory Based on the Special Theory of Relativity. 1958.

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