APA (7th ed.) Citation

Badia, P., Haber, A., & Runyon, R. P. (1970). Research problems in psychology. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Badia, Pietro, Audrey Haber, and Richard P. Runyon. Research Problems in Psychology. Reading, Mass.: Addison-Wesley Pub. Co., 1970.

MLA (9th ed.) Citation

Badia, Pietro, et al. Research Problems in Psychology. Addison-Wesley Pub. Co., 1970.