APA Citation

Schoen, R. (1969). Polyarthritis Chronica Progressiva (1st ed. 1969.). Heidelberg: Steinkopff.

Chicago Style Citation

Schoen, R. Polyarthritis Chronica Progressiva. 1st ed. 1969. Heidelberg: Steinkopff, 1969.

MLA Citation

Schoen, R. Polyarthritis Chronica Progressiva. 1st ed. 1969. Heidelberg: Steinkopff, 1969.

Warning: These citations may not always be 100% accurate.