Cita APA

Flawn, P. T., & Flawn, P. T. (1970). Environmental geology: Conservation, land-use planning, and resource management. New York, New York: Harper and Row.

Citación estilo Chicago

Flawn, Peter Tyrell, y Peter Tyrell Flawn. Environmental Geology: Conservation, Land-use Planning, and Resource Management. New York, New York: Harper and Row, 1970.

Cita MLA

Flawn, Peter Tyrell, y Peter Tyrell Flawn. Environmental Geology: Conservation, Land-use Planning, and Resource Management. New York, New York: Harper and Row, 1970.