APA (7th ed.) Citation

(2020). Gastrointestinal Tumors. Karger Publishers.

Chicago Style (17th ed.) Citation

Gastrointestinal Tumors. Karger Publishers, 2020.

MLA (8th ed.) Citation

Gastrointestinal Tumors. Karger Publishers, 2020.

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