APA (7th ed.) Citation

Retzius, A. J., Psilander, N. C., & Lundquist, J. (1811). Observationum in criticam botanicam C. à Linné. Litteris Berlingianis.

Chicago Style (17th ed.) Citation

Retzius, Anders Jåhan, Nicolaus Christianus Psilander, and Jonas Lundquist. Observationum in Criticam Botanicam C. à Linné. Lundae: Litteris Berlingianis, 1811.

MLA (8th ed.) Citation

Retzius, Anders Jåhan, et al. Observationum in Criticam Botanicam C. à Linné. Litteris Berlingianis, 1811.