Cita APA (7th ed.)

Gras, B. (2002). Schadstoffe in Altholz.

Cita Chicago (17th ed.)

Gras, Birgit. Schadstoffe in Altholz. Hamburg, 2002.

Cita MLA (8th ed.)

Gras, Birgit. Schadstoffe in Altholz. 2002.

Atenció: Aquestes cites poden no estar 100% correctes.