APA ציטוט

Barclay, A. E. (1913). The Ætiology of Gastric Ulcer.

Citação norma Chicago

Barclay, A. E. The Ætiology of Gastric Ulcer. 1913.

ציטוט MLA

Barclay, A. E. The Ætiology of Gastric Ulcer. 1913.