APA (7th ed.) Citation

(1989). Gastrointestinal secretion (1. publ.). Wright.

Chicago Style (17th ed.) Citation

Gastrointestinal Secretion. 1. publ. London [u.a.]: Wright, 1989.

MLA (9th ed.) Citation

Gastrointestinal Secretion. 1. publ. Wright, 1989.

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