APA (7th ed.) Citation

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, and Lorry L. Dunning. Bumble Bees and Cuckoo Bumble Bees of California (Hymenoptera, Apidae). Berkeley: University of California Press, 1983.

MLA (8th ed.) Citation

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