APA (7th ed.) Citation

Xu, J., & Xu, M. (2013, January). The forwarding indices of graphs - a survey. Opuscula Mathematica.

Chicago Style (17th ed.) Citation

Xu, Jun-Ming, and Min Xu. "The Forwarding Indices of Graphs - a Survey." Opuscula Mathematica Jan. 2013.

MLA (9th ed.) Citation

Xu, Jun-Ming, and Min Xu. "The Forwarding Indices of Graphs - a Survey." Opuscula Mathematica, Jan. 2013.

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