Gaya APA

Crafts, A, S., Robin, W, W. (1952). Weed control; a texbook and manual (1952). : New York : McGraw Hill Book Co.,.

Gaya MLA

Crafts, Alden, S., Robin, W, W. "Weed control; a texbook and manual". 1952 : New York : McGraw Hill Book Co.,, 1952. Text.