Cita APA (7a ed.)

Mattheck, C. (2007). Updated field quide for visual tree assessment. Kalsruhe.

Cita Chicago Style (17a ed.)

Mattheck, C. Updated Field Quide for Visual Tree Assessment. Forchungszentrum: Kalsruhe, 2007.

Cita MLA (9a ed.)

Mattheck, C. Updated Field Quide for Visual Tree Assessment. Kalsruhe, 2007.