APA (7th ed.) Citation

Landau, L. D., & Rumer, G. B. (1960). What is Relativity ? Oliver and Boyd.

Chicago Style (17th ed.) Citation

Landau, Lev Davidovič, and G. B. Rumer. What Is Relativity ? Edinburgh [u.a.]: Oliver and Boyd, 1960.

MLA (9th ed.) Citation

Landau, Lev Davidovič, and G. B. Rumer. What Is Relativity ? Oliver and Boyd, 1960.