APA

Swanson F. J., Sparks R. E., .Long-term ecological research and the invisible place. : .

Chicago

Swanson Frederick J, Sparks Richard E, .Long-term ecological research and the invisible place. : .

Harvard

Swanson F. J., Sparks R. E., .Long-term ecological research and the invisible place. : .

MLA

Swanson Frederick J, Sparks Richard E, .: . .