APA (7th ed.) Citation

(1973). The external degree / Cyril O. Houle ; foreword by Samuel B. Gould ; epilogue by John Summerskill.

Chicago Style (17th ed.) Citation

The External Degree / Cyril O. Houle ; Foreword by Samuel B. Gould ; Epilogue by John Summerskill. 1973.

MLA (9th ed.) Citation

The External Degree / Cyril O. Houle ; Foreword by Samuel B. Gould ; Epilogue by John Summerskill. 1973.

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