APA (7th ed.) Citation

Berger, A. (1930). Crassulaceae (Sonderdr.). Engelmann.

Chicago Style (17th ed.) Citation

Berger, Alwin. Crassulaceae. Sonderdr. Leipzig: Engelmann, 1930.

MLA (9th ed.) Citation

Berger, Alwin. Crassulaceae. Sonderdr. Engelmann, 1930.

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