APA (7th ed.) Citation

Duffels, J. P., & Laan, P. A. v. d. (1985). Catalogue of the Cicadoidea (Homoptera, Auchenorhyncha), 1956-1980. W. Junk Publishers.

Chicago Style (17th ed.) Citation

Duffels, J. P., and P. A. van der Laan. Catalogue of the Cicadoidea (Homoptera, Auchenorhyncha), 1956-1980. Dordrecht ; Boston: W. Junk Publishers, 1985.

MLA (9th ed.) Citation

Duffels, J. P., and P. A. van der Laan. Catalogue of the Cicadoidea (Homoptera, Auchenorhyncha), 1956-1980. W. Junk Publishers, 1985.