APA

Peterson F., . (1963). American labor unions: what they are and how they work. New York: Harper & Row.

Chicago

Peterson Florence, . 1963. American labor unions: what they are and how they work. New York: Harper & Row.

Harvard

Peterson F., . (1963). American labor unions: what they are and how they work. New York: Harper & Row.

MLA

Peterson Florence, . American labor unions: what they are and how they work. New York: Harper & Row. 1963.