APA aipamena

Webster, D. (1891). Report of 136 Cases of Cataract Extraction.

Chicago Style aipamena

Webster, David. Report of 136 Cases of Cataract Extraction. 1891.

MLA aipamena

Webster, David. Report of 136 Cases of Cataract Extraction. 1891.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.