APA (7th ed.) Citation

Humberg, C. (2008). 50 Jahre LEGO Stein. HEEL.

Chicago Style (17th ed.) Citation

Humberg, Christian. 50 Jahre LEGO Stein. Königswinter: HEEL, 2008.

MLA (8th ed.) Citation

Humberg, Christian. 50 Jahre LEGO Stein. HEEL, 2008.

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