APA

American society of civil engineers. [from old catalog], American institute of mining metallurgical a. p. e. [. o. c., American society of mechanical engineers. [from old catalog] & American institute of electrical engineers. [from old catalog]. (1950). Conservation of natural resources. [New York]: Pub. John Wiley $Sons, INC.

Chicago

American society of civil engineers. [from old catalog], American institute of mining metallurgical and petroleum engineers [from old catalog], American society of mechanical engineers. [from old catalog] and American institute of electrical engineers. [from old catalog]. 1950. Conservation of natural resources. [New York]: Pub. John Wiley $Sons, INC.

Harvard

American society of civil engineers. [from old catalog], American institute of mining metallurgical a. p. e. [. o. c., American society of mechanical engineers. [from old catalog] and American institute of electrical engineers. [from old catalog]. (1950). Conservation of natural resources. [New York]: Pub. John Wiley $Sons, INC.

MLA

American society of civil engineers. [from old catalog], American institute of mining metallurgical and petroleum engineers [from old catalog], American society of mechanical engineers. [from old catalog] and American institute of electrical engineers. [from old catalog]. Conservation of natural resources. [New York]: Pub. John Wiley $Sons, INC. 1950.