APA

Feldman R. S., . (2018). Development across the life span. Harlow: Pearson.

Chicago

Feldman Robert S, . 2018. Development across the life span. Harlow: Pearson.

Harvard

Feldman R. S., . (2018). Development across the life span. Harlow: Pearson.

MLA

Feldman Robert S, . Development across the life span. Harlow: Pearson. 2018.