APA استشهاد

Capper, P. L., & Cassie Fisher, W. G. (1980). Problems in Engineering Soil (3rd ed.). E & F. N Spon.

استشهاد بنمط شيكاغو

Capper, P Leonard, و W Geddes Cassie Fisher. Problems in Engineering Soil. 3rd ed. London: E & F. N Spon, 1980.

MLA استشهاد

Capper, P Leonard, و W Geddes Cassie Fisher. Problems in Engineering Soil. 3rd ed. E & F. N Spon, 1980.