APA (7th ed.) Citation

Koischwitz, M. O. (1928). Albrecht Schaeffers Helianth (Sonderdr.).

Chicago Style (17th ed.) Citation

Koischwitz, Max Otto. Albrecht Schaeffers Helianth. Sonderdr. [S.l.], 1928.

MLA (9th ed.) Citation

Koischwitz, Max Otto. Albrecht Schaeffers Helianth. Sonderdr. 1928.

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