APA

Senn M. J. E., Hartford C. & Yale University. (1968). The firstborn; experiences of eight American families. Cambridge: Harvard University Press.

Chicago

Senn Milton J E, Hartford Claire and Yale University. 1968. The firstborn; experiences of eight American families. Cambridge: Harvard University Press.

Harvard

Senn M. J. E., Hartford C. and Yale University. (1968). The firstborn; experiences of eight American families. Cambridge: Harvard University Press.

MLA

Senn Milton J E, Hartford Claire and Yale University. The firstborn; experiences of eight American families. Cambridge: Harvard University Press. 1968.