APA (7th ed.) Citation

Leschen, R. A. B., & Beutel, R. (2014). Coleoptera, beetles. De Gruyter.

Chicago Style (17th ed.) Citation

Leschen, Richard A. B., and Rolf Beutel. Coleoptera, Beetles. Berlin: De Gruyter, 2014.

MLA (8th ed.) Citation

Leschen, Richard A. B., and Rolf Beutel. Coleoptera, Beetles. De Gruyter, 2014.

Warning: These citations may not always be 100% accurate.