Cita APA (7a ed.)

Allan, J., & Crandall, J. (1986). The rosebush: A visualization strategy. [s.n.].

Cita Chicago Style (17a ed.)

Allan, John, y Joanne Crandall. The Rosebush: A Visualization Strategy. [S.l.]: [s.n.], 1986.

Cita MLA (9a ed.)

Allan, John, y Joanne Crandall. The Rosebush: A Visualization Strategy. [s.n.], 1986.