Cita APA

Bear, H. S., & Bear, H. S. (1999). Differential equations: A concise course. Mineola, N.Y.: Dover.

Citación estilo Chicago

Bear, H. S., y H. S. Bear. Differential Equations: A Concise Course. Mineola, N.Y.: Dover, 1999.

Cita MLA

Bear, H. S., y H. S. Bear. Differential Equations: A Concise Course. Mineola, N.Y.: Dover, 1999.