APA

Lecht C. P., . (1967). The programmer's ALGOL: a complete reference. New York: McGraw-Hill.

Chicago

Lecht Charles Philip, . 1967. The programmer's ALGOL: a complete reference. New York: McGraw-Hill.

Harvard

Lecht C. P., . (1967). The programmer's ALGOL: a complete reference. New York: McGraw-Hill.

MLA

Lecht Charles Philip, . The programmer's ALGOL: a complete reference. New York: McGraw-Hill. 1967.