Cita APA (7th ed.)

DOORKAMP, J. C., & KING, C. A. (1971). Numerical analysis in geomorphology an introduction. Butler and Tanner.

Cita Chicago (17th ed.)

DOORKAMP, John C., i Cuchlaine A.M KING. Numerical Analysis in Geomorphology an Introduction. London: Butler and Tanner, 1971.

Cita MLA (9th ed.)

DOORKAMP, John C., i Cuchlaine A.M KING. Numerical Analysis in Geomorphology an Introduction. Butler and Tanner, 1971.