APA (7th ed.) Citation

Levinson, B. M. (1984). Human-companion animal therapy. [s.n.].

Chicago Style (17th ed.) Citation

Levinson, Boris M. Human-companion Animal Therapy. [S.l.]: [s.n.], 1984.

MLA (9th ed.) Citation

Levinson, Boris M. Human-companion Animal Therapy. [s.n.], 1984.