APA (7th ed.) Citation

Nichols, J. B. (1964). The numerical proportions of the sexes at birth (Reprinted [der Ausg.] 1906.). Kraus Reprint.

Chicago Style (17th ed.) Citation

Nichols, John B. The Numerical Proportions of the Sexes at Birth. Reprinted [der Ausg.] 1906. New York: Kraus Reprint, 1964.

MLA (9th ed.) Citation

Nichols, John B. The Numerical Proportions of the Sexes at Birth. Reprinted [der Ausg.] 1906. Kraus Reprint, 1964.