Cita APA (7a ed.)

Frik, W., & Goering, U. (1980). Roentgenologic Anatomy.

Cita Chicago Style (17a ed.)

Frik, W., y U. Goering. Roentgenologic Anatomy. 1980.

Cita MLA (9a ed.)

Frik, W., y U. Goering. Roentgenologic Anatomy. 1980.