APA način citiranja

Marrero, O., & Pasles, P. C. (2016). A combinatorial problem on a directed graph.

Čikaški stil citiranja

Marrero, Osvaldo, i Paul C. Pasles. A Combinatorial Problem On a Directed Graph. 2016.

MLA način citiranja

Marrero, Osvaldo, i Paul C. Pasles. A Combinatorial Problem On a Directed Graph. 2016.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.