SpringerLink (Online service), Hayat, S., & Ahmad, A. (2007). Salicylic Acid: A Plant Hormone. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), S. Hayat, and A. Ahmad. Salicylic Acid: A Plant Hormone. Dordrecht: Springer Netherlands, 2007.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Salicylic Acid: A Plant Hormone. Springer Netherlands, 2007.
Warning: These citations may not always be 100% accurate.