Gaya APA

al.], M, S, E, [. (2013). A preliminary list of bee genera in the Kingdom of Saudi Arabia (Hymenoptera: Apoidea) ((2013) 12, 85–89). : King Saud University.

Gaya MLA

al.], Michael, S., Engel, [et. "A preliminary list of bee genera in the Kingdom of Saudi Arabia (Hymenoptera: Apoidea)". (2013) 12, 85–89 : King Saud University, 2013. e-journal.