APA (7th ed.) Citation

Cummins, K. W. (1973). A worldwide directory of stream ecologists. [Michigan State University].

Chicago Style (17th ed.) Citation

Cummins, Kenneth W. A Worldwide Directory of Stream Ecologists. [East Lansing]: [Michigan State University], 1973.

MLA (8th ed.) Citation

Cummins, Kenneth W. A Worldwide Directory of Stream Ecologists. [Michigan State University], 1973.