APA

Stephen J. Godfrey, . (2023). The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA - volumen 2. Washinton - EE. UU: Smithsonian Scholary Press Washinton, DC.

Chicago

Stephen J. Godfrey, . 2023. The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA - volumen 2. Washinton - EE. UU: Smithsonian Scholary Press Washinton, DC.

Harvard

Stephen J. Godfrey, . (2023). The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA - volumen 2. Washinton - EE. UU: Smithsonian Scholary Press Washinton, DC.

MLA

Stephen J. Godfrey, . The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA - volumen 2. Washinton - EE. UU: Smithsonian Scholary Press Washinton, DC. 2023.