APA

Birren J. [. a., . (1981). Developmental psychology. Boston: Houghton Mifflin Company.

Chicago

Birren JamesE [et al.], . 1981. Developmental psychology. Boston: Houghton Mifflin Company.

Harvard

Birren J. [. a., . (1981). Developmental psychology. Boston: Houghton Mifflin Company.

MLA

Birren JamesE [et al.], . Developmental psychology. Boston: Houghton Mifflin Company. 1981.