APA (7th ed.) Citation

Illich , I., & Fromm , E. (1973). Celebration of awareness. Penguin books.

Chicago Style (17th ed.) Citation

Illich , Ivan, and Erich Fromm. Celebration of Awareness. Penguin books, 1973.

MLA (8th ed.) Citation

Illich , Ivan, and Erich Fromm. Celebration of Awareness. Penguin books, 1973.

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