APA (7th ed.) Citation

Balslev, H., & Luteyn, J. (1992). Paramo: An Andean ecosystem under human influence. Academic Press.

Chicago Style (17th ed.) Citation

Balslev, H., and J.L Luteyn. Paramo: An Andean Ecosystem Under Human Influence. London: Academic Press, 1992.

MLA (8th ed.) Citation

Balslev, H., and J.L Luteyn. Paramo: An Andean Ecosystem Under Human Influence. Academic Press, 1992.