APA (7th ed.) Citation

ENGINEER, A. A. (1980). The origin and development of Islam. Orient Longman.

Chicago Style (17th ed.) Citation

ENGINEER, Ashgar Ali. The Origin and Development of Islam. Bombay: Orient Longman, 1980.

MLA (9th ed.) Citation

ENGINEER, Ashgar Ali. The Origin and Development of Islam. Orient Longman, 1980.

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