MLA

Hayat, Shamsul; Ahmad, Aqil, et al. Salicylic Acid: A Plant Hormone. Springer Netherlands, 2007.

APA

Hayat, A., & Ahmad, A., Hayat, S., & Ahmad, A. (2007). Salicylic Acid: A Plant Hormone. Springer Netherlands.

Chicago

Hayat, Shamsul; Ahmad, Aqil, A Ahmad, S Hayat, and Aqil Ahmad. Salicylic Acid: A Plant Hormone. : Springer Netherlands, 2007.