APA (7th ed.) Citation

Ritsema, R. (1990). Chou yi: The oracle of encompassing versatility. Eranos Foundation.

Chicago Style (17th ed.) Citation

Ritsema, Rudolf. Chou Yi: The Oracle of Encompassing Versatility. Ascona: Eranos Foundation, 1990.

MLA (8th ed.) Citation

Ritsema, Rudolf. Chou Yi: The Oracle of Encompassing Versatility. Eranos Foundation, 1990.

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