APA (7th ed.) Citation

Arnau, F. (1957). Lexikon der Philatelie. Ullstein Bücher.

Chicago Style (17th ed.) Citation

Arnau, Frank. Lexikon Der Philatelie. Frankfurt/M: Ullstein Bücher, 1957.

MLA (9th ed.) Citation

Arnau, Frank. Lexikon Der Philatelie. Ullstein Bücher, 1957.

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