APA (7th ed.) Citation

Glade, H. (1973). Am Anfang stand der Abacus. Urania-Verlag.

Chicago Style (17th ed.) Citation

Glade, Heinz. Am Anfang Stand Der Abacus. Berlin: Urania-Verlag, 1973.

MLA (8th ed.) Citation

Glade, Heinz. Am Anfang Stand Der Abacus. Urania-Verlag, 1973.

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