APA Citation

(1990). Differential aptitude tests (5th ed.). U.S.A.: Psychological Corporation.

Chicago Style Citation

Differential Aptitude Tests. 5th ed. U.S.A.: Psychological Corporation, 1990.

MLA Citation

Differential Aptitude Tests. 5th ed. U.S.A.: Psychological Corporation, 1990.

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