Cita APA (7th ed.)
Feldman, R. S. (2018). Development across the life span (8th ed.). Pearson.
Cita Chicago (17th ed.)
Feldman, Robert S. Development Across the Life Span. 8th ed. Harlow, England: Pearson, 2018.
Cita MLA (9th ed.)
Feldman, Robert S. Development Across the Life Span. 8th ed. Pearson, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.