APA Citation

Constance, L. (1975). An unpublished letter from La Gasca to De Candolle. Universidad de Costa Rica.

Chicago Style Citation

Constance, Lincoln. An Unpublished Letter From La Gasca to De Candolle. Universidad de Costa Rica, 1975.

MLA Citation

Constance, Lincoln. An Unpublished Letter From La Gasca to De Candolle. Universidad de Costa Rica, 1975.

Warning: These citations may not always be 100% accurate.