MLA

Hollings, Christopher D, and Mark V Lawson. Wagner’s Theory of Generalised Heaps. Springer International Publishing, 2017.

APA

Hollings, C. D, & Lawson, M. V. (2017). Wagner’s Theory of Generalised Heaps. Springer International Publishing.

Chicago

Hollings, Christopher D., and Mark V Lawson. Wagner’s Theory of Generalised Heaps. : Springer International Publishing, 2017.