Cita APA

Hillix, A. W., & Marx, H. M. (1978). Systems and theories in psychology (2nd ed.). Tata Mcgraw Hills Co.Ltd.

Chicago Edition Citation

Hillix, A William, i H Melvin Marx. Systems and Theories in Psychology. 2nd ed. New Delhi: Tata Mcgraw Hills Co.Ltd, 1978.

Cita MLA

Hillix, A William, i H Melvin Marx. Systems and Theories in Psychology. 2nd ed. Tata Mcgraw Hills Co.Ltd, 1978.