APA引用形式

Brueckner, C. S., Becker, M. O., Kroencke, T., Huscher, D., Scherer, H. U., Worm, M., . . . Riemekasten, G. (2010). Effect of sildenafil on digital ulcers in systemic sclerosis: Analysis from a single centre pilot study. BMJ Group.

シカゴスタイル引用形

Brueckner, Claudia S., Mike O. Becker, Thomas Kroencke, Doerte Huscher, Hans Ulrich Scherer, Margitta Worm, Gerd Burmester, , Gabriela Riemekasten. Effect of Sildenafil On Digital Ulcers in Systemic Sclerosis: Analysis From a Single Centre Pilot Study. BMJ Group, 2010.

MLA引用形式

Brueckner, Claudia S., et al. Effect of Sildenafil On Digital Ulcers in Systemic Sclerosis: Analysis From a Single Centre Pilot Study. BMJ Group, 2010.