APA (7th ed.) Citation

Felder, C., & Felder, R. (1866). Lepidoptera. [s. n.].

Chicago Style (17th ed.) Citation

Felder, Cajetan, and Rudolf Felder. Lepidoptera. Wien: [s. n.], 1866.

MLA (8th ed.) Citation

Felder, Cajetan, and Rudolf Felder. Lepidoptera. [s. n.], 1866.

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