Cita APA (7a ed.)

Leeuwen, M. A. v. (1994). C-reactive protein in early rheumatoid arthritis. s.n.].

Cita Chicago Style (17a ed.)

Leeuwen, Maria Anna van. C-reactive Protein in Early Rheumatoid Arthritis. [S.l.: s.n.], 1994.

Cita MLA (8a ed.)

Leeuwen, Maria Anna van. C-reactive Protein in Early Rheumatoid Arthritis. s.n.], 1994.