Cita APA (7th ed.)

Nelson, P. (1994). Treehouses: The art and craft of living out on a limb. Houghton Mifflin.

Cita Chicago (17th ed.)

Nelson, Peter. Treehouses: The Art and Craft of Living Out on a Limb. New York: Houghton Mifflin, 1994.

Cita MLA (9th ed.)

Nelson, Peter. Treehouses: The Art and Craft of Living Out on a Limb. Houghton Mifflin, 1994.