APA (7th ed.) Citation

Walther, H., & Nägler, G. (1987). Graphen, Algorithmen, Programme. Fachbuchverl.

Chicago Style (17th ed.) Citation

Walther, Hansjoachim, and Günter Nägler. Graphen, Algorithmen, Programme. Leipzig: Fachbuchverl, 1987.

MLA (9th ed.) Citation

Walther, Hansjoachim, and Günter Nägler. Graphen, Algorithmen, Programme. Fachbuchverl, 1987.

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