APA (7th ed.) Citation

Holtz, L. (1903). Characeen. Gebr. Borntraeger.

Chicago Style (17th ed.) Citation

Holtz, Ludwig. Characeen. Leipzig: Gebr. Borntraeger, 1903.

MLA (9th ed.) Citation

Holtz, Ludwig. Characeen. Gebr. Borntraeger, 1903.

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