Cita APA

Lindberg, D. A., & Riecken, H. W. (1986). Future programs at the National Library of Medicine.

Chicago Style Citation

Lindberg, D A., i H W. Riecken. Future Programs At the National Library of Medicine. 1986.

Cita MLA

Lindberg, D A., i H W. Riecken. Future Programs At the National Library of Medicine. 1986.