APA

UNISA, Cronje E., Ferns I. & Thom P. (2003). Adulthood and maturity. Pretoria: University of South Africa.

Chicago

UNISA, Cronje E.M, Ferns I and Thom P. 2003. Adulthood and maturity. Pretoria: University of South Africa.

Harvard

UNISA, Cronje E., Ferns I. and Thom P. (2003). Adulthood and maturity. Pretoria: University of South Africa.

MLA

UNISA, Cronje E.M, Ferns I and Thom P. Adulthood and maturity. Pretoria: University of South Africa. 2003.