APA (7th ed.) Citation

Cvetković, D. M., Doob, M., & Sachs, H. (1982). Spectra of graphs: Theory and applications (2. ed.). Dt. Verl. d. Wiss.

Chicago Style (17th ed.) Citation

Cvetković, Dragoš M., Michael Doob, and Horst Sachs. Spectra of Graphs: Theory and Applications. 2. ed. Berlin: Dt. Verl. d. Wiss, 1982.

MLA (9th ed.) Citation

Cvetković, Dragoš M., et al. Spectra of Graphs: Theory and Applications. 2. ed. Dt. Verl. d. Wiss, 1982.