Cita APA (7a ed.)
University of Minnesota. The Underground Space Center, The Minnesota Energy Agency, & Sterling, R. Earth Sheltered Housing Design: Guidelines, Examples and References. Van Nostrand Reinhold.
Cita estilo Chicago (17a ed.)
University of Minnesota. The Underground Space Center, The Minnesota Energy Agency, y Ray Sterling. Earth Sheltered Housing Design: Guidelines, Examples and References. Nueva York, EUA: Van Nostrand Reinhold.
Cita MLA (9a ed.)
University of Minnesota. The Underground Space Center, et al. Earth Sheltered Housing Design: Guidelines, Examples and References. Van Nostrand Reinhold.
Precaución: Estas citas no son 100% exactas.