APA (7th ed.) Citation

Richards, D. S. (1985). Problems in sorting and graph algorithms (Authorized facs.). Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Richards, Dana S. Problems in Sorting and Graph Algorithms. Authorized facs. Ann Arbor, Mich., USA: Univ. Microfilms Internat, 1985.

MLA (9th ed.) Citation

Richards, Dana S. Problems in Sorting and Graph Algorithms. Authorized facs. Univ. Microfilms Internat, 1985.