APA引文

Harrington, J. A., & Pool, D. I. (1971). Patterns of survivorship in Upper Volta and Niger, 1969 and 1970. s.n..

Chicago Style (17th ed.) Citation

Harrington, Judith Angela, and D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. [s.l.: s.n., 1971.

MLA引文

Harrington, Judith Angela, and D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. s.n., 1971.