APA

Beaman K. R., Harris L. E., . (1987). Observations of population movements in the Galápagos giant tortoise, Geochelone elephantopus vandenburghi. : .

Chicago

Beaman Kent R, Harris Lester E, . 1987. Observations of population movements in the Galápagos giant tortoise, Geochelone elephantopus vandenburghi. : .

Harvard

Beaman K. R., Harris L. E., . (1987). Observations of population movements in the Galápagos giant tortoise, Geochelone elephantopus vandenburghi. : .

MLA

Beaman Kent R, Harris Lester E, . Observations of population movements in the Galápagos giant tortoise, Geochelone elephantopus vandenburghi. : . 1987.