APA引用形式

Out, H. J., de Groot, P. G., Hasselaar, P., dan Vliet, M., & Derksen, R. H. (1989). Fluctuations of anticardiolipin antibody levels in patients with systemic lupus erythematosus: A prospective study.

シカゴスタイル引用形

Out, H J., P G. de Groot, P. Hasselaar, M. dan Vliet, , R H. Derksen. Fluctuations of Anticardiolipin Antibody Levels in Patients With Systemic Lupus Erythematosus: A Prospective Study. 1989.

MLA引用形式

Out, H J., et al. Fluctuations of Anticardiolipin Antibody Levels in Patients With Systemic Lupus Erythematosus: A Prospective Study. 1989.