Cita APA (7th ed.)

Gardiner, H. W., & Kosmitzki, C. (2002). Lives across cultures: Cross-cultural human development (2nd ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Gardiner, Harry W., i Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Boston: Allyn and Bacon, 2002.

Cita MLA (9th ed.)

Gardiner, Harry W., i Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Allyn and Bacon, 2002.