Cita APA (7th ed.)

George, H. (1967). 101 substitution tables for students of: English. Cambridge University Pr.

Cita Chicago (17th ed.)

George, H.V. 101 Substitution Tables for Students of: English. Cambridge: Cambridge University Pr, 1967.

Cita MLA (9th ed.)

George, H.V. 101 Substitution Tables for Students of: English. Cambridge University Pr, 1967.