Cita APA (7a ed.)

Heaton, J. (1980). Prepositions and adverbial particles. Longman.

Cita Chicago Style (17a ed.)

Heaton, J.B. Prepositions and Adverbial Particles. London: Longman, 1980.

Cita MLA (9a ed.)

Heaton, J.B. Prepositions and Adverbial Particles. Longman, 1980.