APA Style
Berens, D, L., Lin, R, K.
(1969).
Rontgen Diagnosis of Rheumatoid Arthritis
.
U.S.A.:
Charles C Thomasl.
MLA Style
Berens, David, L., Lin, Ru, Kan.
"Rontgen Diagnosis of Rheumatoid Arthritis".
U.S.A.:
Charles C Thomasl,
1969.
Text.