| Authors(s) | MacFarland, C. G., J. Villa, and B. Toro. |
| Year | 1974a |
| Title | The Galápagos giant tortoises (Geochelone elephantopus). Part I: Status of the surviving populations. Biol. Conserv. 6: 118-133. |
| Authors(s) | MacFarland, C. G., J. Villa, and B. Toro. |
| Year | 1974a |
| Title | The Galápagos giant tortoises (Geochelone elephantopus). Part I: Status of the surviving populations. Biol. Conserv. 6: 118-133. |