APA (7th ed.) Citation

Boyle, J. A. (1966). Grammar of modern Persian. Porta linguarum orientalium.

Chicago Style (17th ed.) Citation

Boyle, John Andrew. "Grammar of Modern Persian." Porta Linguarum Orientalium 1966.

MLA (8th ed.) Citation

Boyle, John Andrew. "Grammar of Modern Persian." Porta Linguarum Orientalium, 1966.

Warning: These citations may not always be 100% accurate.