APA

Serviss G. H., . (1955). Grassland Farming. New York: John Wiley Sons.

Chicago

Serviss George H, . 1955. Grassland Farming. New York: John Wiley Sons.

Harvard

Serviss G. H., . (1955). Grassland Farming. New York: John Wiley Sons.

MLA

Serviss George H, . Grassland Farming. New York: John Wiley Sons. 1955.