Cita APA (7a ed.)

Krause, A. (1922). Untersuchung eines N-Benzoyltetrahydropyridinaldehydes. [s.n.].

Cita Chicago Style (17a ed.)

Krause, Artur. Untersuchung Eines N-Benzoyltetrahydropyridinaldehydes. Danzig: [s.n.], 1922.

Cita MLA (9a ed.)

Krause, Artur. Untersuchung Eines N-Benzoyltetrahydropyridinaldehydes. [s.n.], 1922.