Cita APA (7a ed.)

Verhaar, J. W. M. (1967). The verb be and its synonyms: Philosophical and grammatical studies. Reidel.

Cita Chicago Style (17a ed.)

Verhaar, John W. M. The Verb Be and Its Synonyms: Philosophical and Grammatical Studies. Dordrecht [etc.]: Reidel, 1967.

Cita MLA (9a ed.)

Verhaar, John W. M. The Verb Be and Its Synonyms: Philosophical and Grammatical Studies. Reidel, 1967.