APA (7th ed.) Citation

Peterson, F. (1952). American labor unions; what they are and how they work. Rev. ed. Harper.

Chicago Style (17th ed.) Citation

Peterson, Florence. American Labor Unions; What They Are and How They Work. Rev. Ed. New York: Harper, 1952.

MLA (9th ed.) Citation

Peterson, Florence. American Labor Unions; What They Are and How They Work. Rev. Ed. Harper, 1952.