APA

Ustyuzhanin P. Y., Kovtunovich V. N., Streltsov A. N. & Ustyuzhanina A. K.Two new species of plume moths of the genus Hellinsia Tutt, 1905 (Lepidoptera, Pterophoridae) from Paraguay. : .

Chicago

Ustyuzhanin P Ya, Kovtunovich V N, Streltsov A N and Ustyuzhanina A K.Two new species of plume moths of the genus Hellinsia Tutt, 1905 (Lepidoptera, Pterophoridae) from Paraguay. : .

Harvard

Ustyuzhanin P. Y., Kovtunovich V. N., Streltsov A. N. and Ustyuzhanina A. K.Two new species of plume moths of the genus Hellinsia Tutt, 1905 (Lepidoptera, Pterophoridae) from Paraguay. : .

MLA

Ustyuzhanin P Ya, Kovtunovich V N, Streltsov A N and Ustyuzhanina A K.: . .