Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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