Schuster, R. M. (1969). The Hepaticae and Anthocerotae of North America: East of the hundredth meridian. Columbia University Press.
Cita Chicago Style (17a ed.)Schuster, Rudolf M. The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian. New York: Columbia University Press, 1969.
Cita MLA (9a ed.)Schuster, Rudolf M. The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian. Columbia University Press, 1969.
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