Cita APA (7th ed.)
Steffen, T. A., Douglas, F., & Pennoyer, P. (2001). Caring for the harvest force in the new millennium. William Carey Library.
Cita Chicago (17th ed.)
Steffen, Tom A., Fredrick Douglas, i P. Pennoyer. Caring for the Harvest Force in the New Millennium. California: William Carey Library, 2001.
Cita MLA (9th ed.)
Steffen, Tom A., et al. Caring for the Harvest Force in the New Millennium. William Carey Library, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.