APA   Click to copy
Marquis, R. J., & Alexander, H. M. (1992). Evolution of resistance and virulence in plant-herbivore and plant-pathogen interactions. Trends in Ecology &Amp; Evolution, 7, 126–129.

Chicago/Turabian   Click to copy
Marquis, Robert J, and Helen Miller Alexander. “Evolution of Resistance and Virulence in Plant-Herbivore and Plant-Pathogen Interactions.” Trends in Ecology & Evolution 7 (1992): 126–129.

MLA   Click to copy
Marquis, Robert J., and Helen Miller Alexander. “Evolution of Resistance and Virulence in Plant-Herbivore and Plant-Pathogen Interactions.” Trends in Ecology &Amp; Evolution, vol. 7, Elsevier, 1992, pp. 126–29.

@article{marquis1992a,
  title = {Evolution of resistance and virulence in plant-herbivore and plant-pathogen interactions},
  year = {1992},
  journal = {Trends in Ecology & Evolution},
  pages = {126--129},
  publisher = {Elsevier},
  volume = {7},
  author = {Marquis, Robert J and Alexander, Helen Miller}
}