APA (7th ed.) Citation

Barbiana. Scuola. (1970). Letter to a teacher. Penguin Books.

Chicago Style (17th ed.) Citation

Barbiana. Scuola. Letter to a Teacher. Middlesex, Eng: Penguin Books, 1970.

MLA (9th ed.) Citation

Barbiana. Scuola. Letter to a Teacher. Penguin Books, 1970.

Warning: These citations may not always be 100% accurate.