Cita APA (7a ed.)

Longacre, R. F. (1973). Grammar Discovery Procedures: A Field Manual (3rd printing. Reprint 2019.). De Gruyter.

Cita Chicago Style (17a ed.)

Longacre, Robert F. Grammar Discovery Procedures: A Field Manual. 3rd printing. Reprint 2019. Berlin ; Boston: De Gruyter, 1973.

Cita MLA (9a ed.)

Longacre, Robert F. Grammar Discovery Procedures: A Field Manual. 3rd printing. Reprint 2019. De Gruyter, 1973.