Cita APA

Eng, H. K. n. 1., & Eng, H. K. n. 1. (1957). The Psychology of child and youth drawing, from the ninth to the twenty-fourth year. London, Sydney: Routledge & Kegan Paul.

Citación estilo Chicago

Eng, Helga Kristine n. 1875, y Helga Kristine n. 1875 Eng. The Psychology of Child and Youth Drawing, From the Ninth to the Twenty-fourth Year. London, Sydney: Routledge & Kegan Paul, 1957.

Cita MLA

Eng, Helga Kristine n. 1875, y Helga Kristine n. 1875 Eng. The Psychology of Child and Youth Drawing, From the Ninth to the Twenty-fourth Year. London, Sydney: Routledge & Kegan Paul, 1957.