Cita APA (7a ed.)

Ruby, R. H., Mutschler, C. V., & Collins, C. C. (2010). A Doctor among the Oglala Sioux Tribe: The Letters of Robert H. Ruby, 1953-1954. University of Nebraska Press.

Cita Chicago Style (17a ed.)

Ruby, Robert H., Chas. V. Mutschler, y Cary C. Collins. A Doctor Among the Oglala Sioux Tribe: The Letters of Robert H. Ruby, 1953-1954. Lincoln: University of Nebraska Press, 2010.

Cita MLA (8a ed.)

Ruby, Robert H., et al. A Doctor Among the Oglala Sioux Tribe: The Letters of Robert H. Ruby, 1953-1954. University of Nebraska Press, 2010.