APA Style

Spiegel, M., Sprent, P. (1981). Theory And Problems Of Complex Variables With An Introduction To Conformal Mapping And Its Application S1 (metric) Edition . Singapore: McGraw-Hill Book Company.

MLA Style

Spiegel, Murray., Sprent, P. "Theory And Problems Of Complex Variables With An Introduction To Conformal Mapping And Its Application S1 (metric) Edition". Singapore: McGraw-Hill Book Company, 1981. Text.