APA

Lyons S., .Research pact may help rain forests pay for their keep: merck, Costa Rica team up to prospect for new drug chemicals. : .

Chicago

Lyons Stephen, .Research pact may help rain forests pay for their keep: merck, Costa Rica team up to prospect for new drug chemicals. : .

Harvard

Lyons S., .Research pact may help rain forests pay for their keep: merck, Costa Rica team up to prospect for new drug chemicals. : .

MLA

Lyons Stephen, .: . .