APA Citatie

Guilford, J. P., & Fruchter, B. (1978). Fundamental statistics in psychology and education (6th ed.). McGraw-Hill.

Chicago Style citaat

Guilford, J. P., en Benjamin Fruchter. Fundamental Statistics in Psychology and Education. 6th ed. Tokyo: McGraw-Hill, 1978.

MLA citatie

Guilford, J. P., en Benjamin Fruchter. Fundamental Statistics in Psychology and Education. 6th ed. McGraw-Hill, 1978.