APA (7th ed.) Citation

Theodor Ackermann (Firma). (1992). Katalog von Theodor Ackermann.

Chicago Style (17th ed.) Citation

Theodor Ackermann (Firma). Katalog Von Theodor Ackermann. München, 1992.

MLA (9th ed.) Citation

Theodor Ackermann (Firma). Katalog Von Theodor Ackermann. 1992.

Warning: These citations may not always be 100% accurate.