APA

Allilueva S., . (1967). Twenty letters to a friend. New York: Harper & Row.

Chicago

Allilueva Svetlana, . 1967. Twenty letters to a friend. New York: Harper & Row.

Harvard

Allilueva S., . (1967). Twenty letters to a friend. New York: Harper & Row.

MLA

Allilueva Svetlana, . Twenty letters to a friend. New York: Harper & Row. 1967.