Cita APA (7a ed.)

Davies, N., & Isenburg, U. (1948). Standard radiographic positions (2d ed.). Williams & Wilkins.

Cita Chicago Style (17a ed.)

Davies, Nancy, y Ursel Isenburg. Standard Radiographic Positions. 2d ed. Baltimore: Williams & Wilkins, 1948.

Cita MLA (9a ed.)

Davies, Nancy, y Ursel Isenburg. Standard Radiographic Positions. 2d ed. Williams & Wilkins, 1948.