APA

Townsend C. H., . (1928). Propagation of the giant tortoise in the United States. : .

Chicago

Townsend Charles Haskins, . 1928. Propagation of the giant tortoise in the United States. : .

Harvard

Townsend C. H., . (1928). Propagation of the giant tortoise in the United States. : .

MLA

Townsend Charles Haskins, . Propagation of the giant tortoise in the United States. : . 1928.