Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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