APA (7th ed.) Citation

Gruber, H. E., Darwin, C., & Barrett, P. H. (1974). Darwin on man : a psychological study of scientific creativity / by Howard E. Gruber ; together with Darwin's early and unpublished notebooks transcribed and annotated by Paul H. Barrett ; foreword by Jean Piaget: A psychological study of scientific creativity. Wildwood House.

Chicago Style (17th ed.) Citation

Gruber, Howard E., Charles Darwin, and Paul H. Barrett. Darwin on Man : A Psychological Study of Scientific Creativity / by Howard E. Gruber ; Together with Darwin's Early and Unpublished Notebooks Transcribed and Annotated by Paul H. Barrett ; Foreword by Jean Piaget: A Psychological Study of Scientific Creativity. London: Wildwood House, 1974.

MLA (9th ed.) Citation

Gruber, Howard E., et al. Darwin on Man : A Psychological Study of Scientific Creativity / by Howard E. Gruber ; Together with Darwin's Early and Unpublished Notebooks Transcribed and Annotated by Paul H. Barrett ; Foreword by Jean Piaget: A Psychological Study of Scientific Creativity. Wildwood House, 1974.

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