Cita APA

Langfeld, H. S. n. 1., & Allport, F. H. N. 1. (1916). An elementary laboratory course in psychology. Boston: Houghton Mifflin.

Citación estilo Chicago

Langfeld, Herbert Sidney n. 1879, y Floyd Henry N. 1890 Allport. An Elementary Laboratory Course in Psychology. Boston: Houghton Mifflin, 1916.

Cita MLA

Langfeld, Herbert Sidney n. 1879, y Floyd Henry N. 1890 Allport. An Elementary Laboratory Course in Psychology. Boston: Houghton Mifflin, 1916.