The effect of grazing on seed production in Echium plantagineum.

MLA

Smyth, M. J., et al. “The Effect of Grazing on Seed Production in Echium Plantagineum.” Weed Research, vol. 37, no. 2, Apr. 1997, pp. 63–70. EBSCOhost, https://doi.org/10.1046/j.1365-3180.1996.d01-2.x.

APA

Smyth, M. J., Sheppard, A. W., & Swirepik, A. (1997). The effect of grazing on seed production in Echium plantagineum. Weed Research, 37(2), 63–70. https://doi.org/10.1046/j.1365-3180.1996.d01-2.x

Chicago

Smyth, M. J., A. W. Sheppard, and A. Swirepik. 1997. “The Effect of Grazing on Seed Production in Echium Plantagineum.” Weed Research 37 (2): 63–70. doi:10.1046/j.1365-3180.1996.d01-2.x.