Cita APA (7th ed.)
Knölker, H. Alkaloid Synthesis. Springer.
Cita Chicago (17th ed.)
Knölker, Hans-Joachim. Alkaloid Synthesis. Berlín, Alemania: Springer.
Cita MLA (9th ed.)
Knölker, Hans-Joachim. Alkaloid Synthesis. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.