Cita APA

Aykroyd, W. R. n. 1., & Aykroyd, W. R. n. 1. (1975). The conquest of famine. New York: Readers Digest Press.

Citación estilo Chicago

Aykroyd, Wallace Ruddell n. 1899, y Wallace Ruddell n. 1899 Aykroyd. The Conquest of Famine. New York: Readers Digest Press, 1975.

Cita MLA

Aykroyd, Wallace Ruddell n. 1899, y Wallace Ruddell n. 1899 Aykroyd. The Conquest of Famine. New York: Readers Digest Press, 1975.