APA (7th ed.) Citation

Dupuis, C. (1991). The Ypresian stratotype: [decicated to the memory of W. Willems].

Chicago Style (17th ed.) Citation

Dupuis, Christian. The Ypresian Stratotype: [decicated to the Memory of W. Willems]. Bruxelles, 1991.

MLA (9th ed.) Citation

Dupuis, Christian. The Ypresian Stratotype: [decicated to the Memory of W. Willems]. 1991.

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