Παραπομπή σε μορφή APA (7η εκδ.)

Böhringer, K., Paulisch, F. N., & Archives, T. P. S. U. C. (1990). Using Constraints To Achieve Stability In Automatic Graph Layout Algorithms. http://www.ee.washington.edu/faculty/karl/Publications/PS/SIGCHI90.ps.gz.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Böhringer, Karl-Friedrich, Frances Newbery Paulisch, και The Pennsylvania State University CiteSeerX Archives. "Using Constraints To Achieve Stability In Automatic Graph Layout Algorithms." Http://www.ee.washington.edu/faculty/karl/Publications/PS/SIGCHI90.ps.gz 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Böhringer, Karl-Friedrich, et al. "Using Constraints To Achieve Stability In Automatic Graph Layout Algorithms." Http://www.ee.washington.edu/faculty/karl/Publications/PS/SIGCHI90.ps.gz, 1990.