Cita APA (7a ed.)

Edited by Swallow, R. A. (1989). Clark's positioning in radigraphy (11th ed.). CBS.

Cita Chicago Style (17a ed.)

Edited by Swallow, R. A. Clark's Positioning in Radigraphy. 11th ed. Delhi: CBS, 1989.

Cita MLA (9a ed.)

Edited by Swallow, R. A. Clark's Positioning in Radigraphy. 11th ed. CBS, 1989.