Dyfyniad APA

Kaplan, U., Kennedy, W., Lehmann, J., & Marcinowski, R. (1998). Stratigraphy and ammonite fauna of the Cenomanian of Westphalia.

Dyfyniad Arddull Chicago

Kaplan, U., W. Kennedy, J. Lehmann, and R. Marcinowski. Stratigraphy and Ammonite Fauna of the Cenomanian of Westphalia. 1998.

Dyfyniad MLA

Kaplan, U., et al. Stratigraphy and Ammonite Fauna of the Cenomanian of Westphalia. 1998.

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