Gaya APA

The liberation of the environment. Preface: Robert M. White, introd. by Jesse H. Ausubel. . (1996). Cambridge: Cambridge American Academy of Arts and Sciences.

Gaya MLA

The liberation of the environment. Preface: Robert M. White, introd. by Jesse H. Ausubel. . . Cambridge: Cambridge American Academy of Arts and Sciences, 1996. Buku.