APA (7th ed.) Citation

Pilger, R. (1937). Plantaginaceae. Wilhelm Engelmann.

Chicago Style (17th ed.) Citation

Pilger, R. Plantaginaceae. Leipzig: Wilhelm Engelmann, 1937.

MLA (8th ed.) Citation

Pilger, R. Plantaginaceae. Wilhelm Engelmann, 1937.

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