Cita APA (7a ed.)

Bacon, P., & Kracht, J. B. (1983). Our world today. Follett.

Cita Chicago Style (17a ed.)

Bacon, Phillip, y James B. Kracht. Our World Today. Chicago, Ill. [u.a.]: Follett, 1983.

Cita MLA (9a ed.)

Bacon, Phillip, y James B. Kracht. Our World Today. Follett, 1983.