APA Citation

Giles, D., & Giles, D. (1940). Singing valleys: The story of corn. Nueva York: Random House.

Chicago Style Citation

Giles, Dorothy, and Dorothy Giles. Singing Valleys: The Story of Corn. Nueva York: Random House, 1940.

MLA Citation

Giles, Dorothy, and Dorothy Giles. Singing Valleys: The Story of Corn. Nueva York: Random House, 1940.

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