APA

Clemens W. A., . (19). Fossil mammals of the type Lance formation Wyoming. Berkeley [u.a.]: Univ. of California Press.

Chicago

Clemens William Alvin, . 19. Fossil mammals of the type Lance formation Wyoming. Berkeley [u.a.]: Univ. of California Press.

Harvard

Clemens W. A., . (19). Fossil mammals of the type Lance formation Wyoming. Berkeley [u.a.]: Univ. of California Press.

MLA

Clemens William Alvin, . Fossil mammals of the type Lance formation Wyoming. Berkeley [u.a.]: Univ. of California Press. 19.