APA način citiranja (7. izdanje)

Hague, M., & To, A. (2010). The Complexity of Model Checking (Collapsible) Higher−Order Pushdown Systems.

Čikaški stil citiranja (17. izdanje)

Hague, M., i A. To. The Complexity of Model Checking (Collapsible) Higher−Order Pushdown Systems. 2010.

MLA način citiranja (9. izdanje)

Hague, M., i A. To. The Complexity of Model Checking (Collapsible) Higher−Order Pushdown Systems. 2010.