APA (7th ed.) Citation

Elsner, L. (1971). Über Birkhoff-Interpolation und Richardson-Extrapolation.

Chicago Style (17th ed.) Citation

Elsner, Ludwig. Über Birkhoff-Interpolation Und Richardson-Extrapolation. Erlangen, 1971.

MLA (9th ed.) Citation

Elsner, Ludwig. Über Birkhoff-Interpolation Und Richardson-Extrapolation. 1971.

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