APA

De Lange O. L., De Lange O. L., Raab R. E. & Raab R. E. (1991). Operator methods in quantum mechanics. Oxford: Clarendon Press.

Chicago

De Lange Owen L, De Lange Owen L, Raab R E and Raab Roger E. 1991. Operator methods in quantum mechanics. Oxford: Clarendon Press.

Harvard

De Lange O. L., De Lange O. L., Raab R. E. and Raab R. E. (1991). Operator methods in quantum mechanics. Oxford: Clarendon Press.

MLA

De Lange Owen L, De Lange Owen L, Raab R E and Raab Roger E. Operator methods in quantum mechanics. Oxford: Clarendon Press. 1991.