APA

Saunders J., . (1961). The wild species of Gossypium and their evolutionary history. London: Oxford University Press.

Chicago

Saunders J.h, . 1961. The wild species of Gossypium and their evolutionary history. London: Oxford University Press.

Harvard

Saunders J., . (1961). The wild species of Gossypium and their evolutionary history. London: Oxford University Press.

MLA

Saunders J.h, . The wild species of Gossypium and their evolutionary history. London: Oxford University Press. 1961.