Cita APA (7th ed.)

Martineau, H. (1989). How to observe morals and manners. Transaction Books.

Cita Chicago (17th ed.)

Martineau, Harriet. How to Observe Morals and Manners. New Brunswick, N.J: Transaction Books, 1989.

Cita MLA (9th ed.)

Martineau, Harriet. How to Observe Morals and Manners. Transaction Books, 1989.