Cita APA

Sheldon, H., & Sheldon, H. (1984). Boyd's introduction to the study of disease (9. edition.). Philadelphia, Pennsylvania, E.E.U.U.: Lea & Febiger.

Citación estilo Chicago

Sheldon, Huntington, y Huntington Sheldon. Boyd's Introduction to the Study of Disease. 9. edition. Philadelphia, Pennsylvania, E.E.U.U.: Lea & Febiger, 1984.

Cita MLA

Sheldon, Huntington, y Huntington Sheldon. Boyd's Introduction to the Study of Disease. 9. edition. Philadelphia, Pennsylvania, E.E.U.U.: Lea & Febiger, 1984.