एपीए उद्धरण

Guthrie, T. (1916). Three Foreign Bodies removed from the Bronchi by Upper Bronchoscopy.

शिकागो स्टाइल उद्धरण

Guthrie, Thomas. Three Foreign Bodies Removed From the Bronchi By Upper Bronchoscopy. 1916.

एमएलए उद्धरण

Guthrie, Thomas. Three Foreign Bodies Removed From the Bronchi By Upper Bronchoscopy. 1916.