Cita APA (7th ed.)

(1996). Hierarchy theory: A vision, vocabulary, and epistemology / Valerie Ahl and T.F.H. Allen ; illustrated by Paula Lerner.

Cita Chicago (17th ed.)

Hierarchy Theory: A Vision, Vocabulary, and Epistemology / Valerie Ahl and T.F.H. Allen ; Illustrated by Paula Lerner. 1996.

Cita MLA (9th ed.)

Hierarchy Theory: A Vision, Vocabulary, and Epistemology / Valerie Ahl and T.F.H. Allen ; Illustrated by Paula Lerner. 1996.