APA (7th ed.) Citation

Lengauer, T. (1989). Hierarchical planarity testing algorithms. Journal of the ACM, 36, 474. https://doi.org/10.1145/65950.65952

Chicago Style (17th ed.) Citation

Lengauer, Thomas. "Hierarchical Planarity Testing Algorithms." Journal of the ACM 36 (1989): 474. https://doi.org/10.1145/65950.65952.

MLA (9th ed.) Citation

Lengauer, Thomas. "Hierarchical Planarity Testing Algorithms." Journal of the ACM, vol. 36, 1989, p. 474, https://doi.org/10.1145/65950.65952.

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