APA Citation

Piaget, J. (1970). Main trends in psychology. New York: Harper Row : Harper Torchbooks.

Chicago Style Citation

Piaget, Jean. Main Trends in Psychology. New York: Harper Row : Harper Torchbooks, 1970.

MLA Citation

Piaget, Jean. Main Trends in Psychology. New York: Harper Row : Harper Torchbooks, 1970.

Warning: These citations may not always be 100% accurate.