APA (7th ed.) Citation

(2013). Gastrointestinal tumors. Karger AG.

Chicago Style (17th ed.) Citation

Gastrointestinal Tumors. Basel, Switzerland: Karger AG, 2013.

MLA (9th ed.) Citation

Gastrointestinal Tumors. Karger AG, 2013.

Warning: These citations may not always be 100% accurate.