APA (7th ed.) Citation

Kro⁺ger, H. (1990). Osteoporosis in rheumatoid arthritis. University of Kuopio, Department of Surgery.

Chicago Style (17th ed.) Citation

Kro⁺ger, Heikki. Osteoporosis in Rheumatoid Arthritis. Kuopio: University of Kuopio, Department of Surgery, 1990.

MLA (8th ed.) Citation

Kro⁺ger, Heikki. Osteoporosis in Rheumatoid Arthritis. University of Kuopio, Department of Surgery, 1990.