APA (7th ed.) Citation

Landau, L. D., & Rumer, :. B. (1961). What is the theory of relativity. MIR Publishers ; Imported by Imported Publications.

Chicago Style (17th ed.) Citation

Landau, L. D., and :I:U. B. Rumer. What Is the Theory of Relativity. Moscow : Chicago: MIR Publishers ; Imported by Imported Publications, 1961.

MLA (9th ed.) Citation

Landau, L. D., and :I:U. B. Rumer. What Is the Theory of Relativity. MIR Publishers ; Imported by Imported Publications, 1961.