APA

Horrell M., South African Institute of Race Relations, . (1973). A survey of race relations in South Africa, 1972. Johannesburg: South African Institute of Race Relations.

Chicago

Horrell M, South African Institute of Race Relations, . 1973. A survey of race relations in South Africa, 1972. Johannesburg: South African Institute of Race Relations.

Harvard

Horrell M., South African Institute of Race Relations, . (1973). A survey of race relations in South Africa, 1972. Johannesburg: South African Institute of Race Relations.

MLA

Horrell M, South African Institute of Race Relations, . A survey of race relations in South Africa, 1972. Johannesburg: South African Institute of Race Relations. 1973.