APA Edition Citation

Palmer, R. G., & Troeh, F. R. (1977). Introductory soil science. Iowa state university press.

Chicago Edition Citation

Palmer, R G., and F R. Troeh. Introductory Soil Science. Iowa: Iowa state university press, 1977.

MLA Edition Citation

Palmer, R G., and F R. Troeh. Introductory Soil Science. Iowa state university press, 1977.

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