APA

Erbe L. H., Kong Q. & Zhang B. G. (1995). Oscillation theory for functional differential equations. New York: Marcel Dekker.

Chicago

Erbe L H, Kong Qingkai and Zhang B G. 1995. Oscillation theory for functional differential equations. New York: Marcel Dekker.

Harvard

Erbe L. H., Kong Q. and Zhang B. G. (1995). Oscillation theory for functional differential equations. New York: Marcel Dekker.

MLA

Erbe L H, Kong Qingkai and Zhang B G. Oscillation theory for functional differential equations. New York: Marcel Dekker. 1995.