APA (7th ed.) Citation

Schmieder, O. (1968). The Pampa: A natural or culturally induced grass-land? Johnson Reprint Corp..

Chicago Style (17th ed.) Citation

Schmieder, Oskar. The Pampa: A Natural or Culturally Induced Grass-land? New York: Johnson Reprint Corp., 1968.

MLA (9th ed.) Citation

Schmieder, Oskar. The Pampa: A Natural or Culturally Induced Grass-land? Johnson Reprint Corp., 1968.