APA (7th ed.) Citation

Penck, W. (1972). Morpological analysis of land form. Hafner Publ.

Chicago Style (17th ed.) Citation

Penck, Walter. Morpological Analysis of Land Form. Hafner Publ, 1972.

MLA (8th ed.) Citation

Penck, Walter. Morpological Analysis of Land Form. Hafner Publ, 1972.

Warning: These citations may not always be 100% accurate.