APA (7th ed.) Citation

Sommer, F. E. (1943). Essentials of modern Russian: A practical skeleton grammar in twenty-five lessons suitable for self-teaching ([New ed.].). Frederick Ungar.

Chicago Style (17th ed.) Citation

Sommer, F. E. Essentials of Modern Russian: A Practical Skeleton Grammar in Twenty-five Lessons Suitable for Self-teaching. [New ed.]. New York: Frederick Ungar, 1943.

MLA (9th ed.) Citation

Sommer, F. E. Essentials of Modern Russian: A Practical Skeleton Grammar in Twenty-five Lessons Suitable for Self-teaching. [New ed.]. Frederick Ungar, 1943.