Cita APA

Waddell, C. W. (1918). An introduction to child psychology. Houghton-Mifflin Company.

Citación estilo Chicago

Waddell, Charles W. An Introduction to Child Psychology. Boston, New York [etc.]: Houghton-Mifflin Company, 1918.

Cita MLA

Waddell, Charles W. An Introduction to Child Psychology. Houghton-Mifflin Company, 1918.

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