APA引文

Pitkeathly, D. A., Howitt, G., & Lyne, A. J. (1970). Scleritis and aortic incompetence. Two manifestations of connective tissue disease.

Citação norma Chicago

Pitkeathly, D A., G. Howitt, and A J. Lyne. Scleritis and Aortic Incompetence. Two Manifestations of Connective Tissue Disease. 1970.

MLA引文

Pitkeathly, D A., G. Howitt, and A J. Lyne. Scleritis and Aortic Incompetence. Two Manifestations of Connective Tissue Disease. 1970.

警告:這些引文格式不一定是100%准確.