Cita APA

Thorp, R. W., Horning, D. S., & Dunning, L. L. (1983). Bumble bees and cuckoo bumble bees of California (Hymenoptera, Apidae). University of California Press.

Chicago Style (17th ed.) Citation

Thorp, Robbin W., Donald S. Horning, i Lorry L. Dunning. Bumble Bees and Cuckoo Bumble Bees of California (Hymenoptera, Apidae). Berkeley: University of California Press, 1983.

Cita MLA

Thorp, Robbin W., et al. Bumble Bees and Cuckoo Bumble Bees of California (Hymenoptera, Apidae). University of California Press, 1983.