Cita APA (7a ed.)

Friedman, N. B., & Ash, J. E. (1959). Tumors of the urinary bladder. AFIP.

Cita Chicago Style (17a ed.)

Friedman, Nathan B., y James E. Ash. Tumors of the Urinary Bladder. Washington: AFIP, 1959.

Cita MLA (9a ed.)

Friedman, Nathan B., y James E. Ash. Tumors of the Urinary Bladder. AFIP, 1959.