Gaya APA

Lenica, J., Sauvy, A. (1962). Population Explosion: Abundance or Famine (Cet. 1.--). New York: Dell Publishing.

Gaya MLA

Lenica, Jan., Sauvy, Alfred. "Population Explosion: Abundance or Famine". Cet. 1.-- New York: Dell Publishing, 1962. Text.