Cita APA (7a ed.)

Harcourt Brace Jovanovich, Duck, S., & Gilmour, R. (1981). Personal relationships. Academic Press, a subsidiary of Harcourt Brace Jovanovich, Publishers.

Cita Chicago Style (17a ed.)

Harcourt Brace Jovanovich, Steve Duck, y Robin Gilmour. Personal Relationships. London [i pozostałe]: Academic Press, a subsidiary of Harcourt Brace Jovanovich, Publishers, 1981.

Cita MLA (9a ed.)

Harcourt Brace Jovanovich, et al. Personal Relationships. Academic Press, a subsidiary of Harcourt Brace Jovanovich, Publishers, 1981.