APA (7th ed.) Citation

Froede, H. (1935). Froede's Briefmarken-Preisbuch. Hans Froede.

Chicago Style (17th ed.) Citation

Froede, Hans. Froede's Briefmarken-Preisbuch. Düsseldorf: Hans Froede, 1935.

MLA (9th ed.) Citation

Froede, Hans. Froede's Briefmarken-Preisbuch. Hans Froede, 1935.

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