APA (7th ed.) Citation

Happ, H. H. (1973). Gabriel Kron and systems theory / edited by H.H. Happ. Union College P.

Chicago Style (17th ed.) Citation

Happ, H. H. Gabriel Kron and Systems Theory / Edited by H.H. Happ. Union College P, 1973.

MLA (9th ed.) Citation

Happ, H. H. Gabriel Kron and Systems Theory / Edited by H.H. Happ. Union College P, 1973.

Warning: These citations may not always be 100% accurate.