APA

Jahn J., Schild U. & Nordmann Seiler A. (1972). Who's who in African literature: biographies, works, commentaries. Tübingen: H. Erdmann.

Chicago

Jahn Janheinz, Schild Ulla and Nordmann Seiler Almut. 1972. Who's who in African literature: biographies, works, commentaries. Tübingen: H. Erdmann.

Harvard

Jahn J., Schild U. and Nordmann Seiler A. (1972). Who's who in African literature: biographies, works, commentaries. Tübingen: H. Erdmann.

MLA

Jahn Janheinz, Schild Ulla and Nordmann Seiler Almut. Who's who in African literature: biographies, works, commentaries. Tübingen: H. Erdmann. 1972.