Cite
Annual variations in the concentrations of Betula pollen in the London area, 1961-1990
MLA
Emberlin, Jean, et al. “Annual Variations in the Concentrations of Betula Pollen in the London Area, 1961-1990.” Grana, vol. 32, no. 6, Jan. 1993, pp. 359–63. EBSCOhost, https://doi.org/10.1080/00173139309428965.
APA
Emberlin, J., Savage, M., & Woodman, R. (1993). Annual variations in the concentrations of Betula pollen in the London area, 1961-1990. Grana, 32(6), 359–363. https://doi.org/10.1080/00173139309428965
Chicago
Emberlin, Jean, Mike Savage, and Richard Woodman. 1993. “Annual Variations in the Concentrations of Betula Pollen in the London Area, 1961-1990.” Grana 32 (6): 359–63. doi:10.1080/00173139309428965.