Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Frik, W., i U. Goering. Roentgenologic Anatomy. Chicago: s.n, 1980.

Cita MLA (9th ed.)

Frik, W., i U. Goering. Roentgenologic Anatomy. s.n, 1980.