APA (7th ed.) Citation

Killmann, P. (1984). Die Trigonometrie. Schäfer.

Chicago Style (17th ed.) Citation

Killmann, Paul. Die Trigonometrie. Leipzig: Schäfer, 1984.

MLA (9th ed.) Citation

Killmann, Paul. Die Trigonometrie. Schäfer, 1984.

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