APA (7th ed.) Citation

Ingri, J., Bostrom, K., & Burman, J. (1983). A geochemical massbalance for the Baltic. Ecological Bulletins, 35, 39.

Chicago Style (17th ed.) Citation

Ingri, J., K. Bostrom, and J.-O Burman. "A Geochemical Massbalance for the Baltic." Ecological Bulletins 35 (1983): 39.

MLA (9th ed.) Citation

Ingri, J., et al. "A Geochemical Massbalance for the Baltic." Ecological Bulletins, 35, 1983, p. 39.