Cita APA (7th ed.)

Gustafson, H. L. (1994). The bonsai workshop. Sterling.

Cita Chicago (17th ed.)

Gustafson, Herb L. The Bonsai Workshop. New York: Sterling, 1994.

Cita MLA (9th ed.)

Gustafson, Herb L. The Bonsai Workshop. Sterling, 1994.