APA

Rissing S. W., .Annual cycles in worker size of the seed- harvester ant Veromessor pergandei (Hymenoptera: Formicidae). : .

Chicago

Rissing Steven W, .Annual cycles in worker size of the seed- harvester ant Veromessor pergandei (Hymenoptera: Formicidae). : .

Harvard

Rissing S. W., .Annual cycles in worker size of the seed- harvester ant Veromessor pergandei (Hymenoptera: Formicidae). : .

MLA

Rissing Steven W, .: . .