Cita APA

Wells, R. J., & Wells, R. J. (1980). The keepers of eden. Pittsburgh: WQED.

Citación estilo Chicago

Wells, Richard J., y Richard J. Wells. The Keepers of Eden. Pittsburgh: WQED, 1980.

Cita MLA

Wells, Richard J., y Richard J. Wells. The Keepers of Eden. Pittsburgh: WQED, 1980.