Cita APA (7th ed.)
ebrary, Inc, Wright, H. E., Coffin, B., & Aaseng, N. E. (1992). The patterned peatlands of Minnesota. University of Minnesota Press.
Cita Chicago (17th ed.)
ebrary, Inc, H. E. Wright, Barbara Coffin, i Norman E. Aaseng. The Patterned Peatlands of Minnesota. Minneapolis: University of Minnesota Press, 1992.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Patterned Peatlands of Minnesota. University of Minnesota Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.