APA (7th ed.) Citation

Ricker, W. E. Systematic studies in plecoptera. Indiana University Press.

Chicago Style (17th ed.) Citation

Ricker, William E. Systematic Studies in Plecoptera. Bloomington: Indiana University Press.

MLA (9th ed.) Citation

Ricker, William E. Systematic Studies in Plecoptera. Indiana University Press.

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