APA (7th ed.) Citation

Allilueva, S. (1967). Twenty letters to a friend. Harper and Row.

Chicago Style (17th ed.) Citation

Allilueva, Svetlana. Twenty Letters to a Friend. New York: Harper and Row, 1967.

MLA (9th ed.) Citation

Allilueva, Svetlana. Twenty Letters to a Friend. Harper and Row, 1967.