Cita APA (7a ed.)

Legget, R. F. (1982). GEOLOGY under cities. The Geological Society of America.

Cita Chicago Style (17a ed.)

Legget, Robert Ferguson. GEOLOGY Under Cities. Boulder, Col.: The Geological Society of America, 1982.

Cita MLA (8a ed.)

Legget, Robert Ferguson. GEOLOGY Under Cities. The Geological Society of America, 1982.