Cita APA (7th ed.)

Ausubel, K. (1997). Restoring the earth: Visionary solutions from the bioneers. H J Kramer.

Cita Chicago (17th ed.)

Ausubel, Ken. Restoring the Earth: Visionary Solutions from the Bioneers. Tiburon, Calif: H J Kramer, 1997.

Cita MLA (9th ed.)

Ausubel, Ken. Restoring the Earth: Visionary Solutions from the Bioneers. H J Kramer, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.