APA (7th ed.) Citation

Alemayehu, A., & Brown, D. R. (1993). Gastrointestinal regulatory peptides. Springer-Verlag.

Chicago Style (17th ed.) Citation

Alemayehu, A., and David Robert Brown. Gastrointestinal Regulatory Peptides. Berlin: Springer-Verlag, 1993.

MLA (9th ed.) Citation

Alemayehu, A., and David Robert Brown. Gastrointestinal Regulatory Peptides. Springer-Verlag, 1993.