APA   Click to copy
Marquis, R. J., & Voss, E. G. (1981). Distributions of some western North American plants disjunct in the Great Lakes region. Michigan Botanist.

Chicago/Turabian   Click to copy
Marquis, Robert J, and Edward G Voss. “Distributions of Some Western North American Plants Disjunct in the Great Lakes Region.” Michigan Botanist (1981).

MLA   Click to copy
Marquis, Robert J., and Edward G. Voss. “Distributions of Some Western North American Plants Disjunct in the Great Lakes Region.” Michigan Botanist, 1981.

@article{marquis1981a,
  title = {Distributions of some western North American plants disjunct in the Great Lakes region.},
  year = {1981},
  journal = {Michigan Botanist},
  author = {Marquis, Robert J and Voss, Edward G}
}