APA (7th ed.) Citation

Fritsche, K. H. (1881). Das Deltoid: E. geometr. Studie.

Chicago Style (17th ed.) Citation

Fritsche, Karl H. Das Deltoid: E. Geometr. Studie. Pirna, 1881.

MLA (9th ed.) Citation

Fritsche, Karl H. Das Deltoid: E. Geometr. Studie. 1881.

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