Cita APA

Kumar, R. 1., & Murck, B. W. 1. (1992). On common ground: Managing human-planet relationships. Toronto: John Wiley & Sons.

Citación estilo Chicago

Kumar, Ranjit 1933-, y Barbara Winifred 1954- Murck. On Common Ground: Managing Human-planet Relationships. Toronto: John Wiley & Sons, 1992.

Cita MLA

Kumar, Ranjit 1933-, y Barbara Winifred 1954- Murck. On Common Ground: Managing Human-planet Relationships. Toronto: John Wiley & Sons, 1992.