Cita APA (7a ed.)

Adair, T., & Eckstein, E. (1970). Parents and the day care center. Federation of Protestant Welfare Agencies.

Cita Chicago Style (17a ed.)

Adair, Thelma, y Esther Eckstein. Parents and the Day Care Center. N.Y.: Federation of Protestant Welfare Agencies, 1970.

Cita MLA (8a ed.)

Adair, Thelma, y Esther Eckstein. Parents and the Day Care Center. Federation of Protestant Welfare Agencies, 1970.