Cita APA (7a ed.)

Miriam Greenblatt, Stanley S. Seaberg, & Seaberg, S. S. (1981). Human Heritage: A world history. Merrill.

Cita Chicago Style (17a ed.)

Miriam Greenblatt, Stanley S. Seaberg, y Stanley S. Seaberg. Human Heritage: A World History. Columbus, Ohio [u.a.]: Merrill, 1981.

Cita MLA (9a ed.)

Miriam Greenblatt, et al. Human Heritage: A World History. Merrill, 1981.