APA (7th ed.) Citation

Piersig, R. (1900). Deutschlands Hydrachniden. Nägele.

Chicago Style (17th ed.) Citation

Piersig, Richard. Deutschlands Hydrachniden. Stuttgart: Nägele, 1900.

MLA (9th ed.) Citation

Piersig, Richard. Deutschlands Hydrachniden. Nägele, 1900.

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