APA (7th ed.) Citation

Bracegirdle, C. (1972). Zoos are news: Conservation or extinction? Abelard-Schuman.

Chicago Style (17th ed.) Citation

Bracegirdle, Cyril. Zoos Are News: Conservation or Extinction? London, New York: Abelard-Schuman, 1972.

MLA (9th ed.) Citation

Bracegirdle, Cyril. Zoos Are News: Conservation or Extinction? Abelard-Schuman, 1972.