APA

Gade D. W., . (1975). Plant, man and the land in the Vilcanota valley of Perú. The Hague, Netherlands: Dr. W. Junk B. V.

Chicago

Gade Daniel W, . 1975. Plant, man and the land in the Vilcanota valley of Perú. The Hague, Netherlands: Dr. W. Junk B. V.

Harvard

Gade D. W., . (1975). Plant, man and the land in the Vilcanota valley of Perú. The Hague, Netherlands: Dr. W. Junk B. V.

MLA

Gade Daniel W, . Plant, man and the land in the Vilcanota valley of Perú. The Hague, Netherlands: Dr. W. Junk B. V. 1975.