APA

Collins William P,, . (1990). Bibliography of english language works on the Babi and Baha faiths (1844-1985). Oxford: George Ronald.

Chicago

Collins William P,, . 1990. Bibliography of english language works on the Babi and Baha faiths (1844-1985). Oxford: George Ronald.

Harvard

Collins William P,, . (1990). Bibliography of english language works on the Babi and Baha faiths (1844-1985). Oxford: George Ronald.

MLA

Collins William P,, . Bibliography of english language works on the Babi and Baha faiths (1844-1985). Oxford: George Ronald. 1990.