APA (7th ed.) Citation

Nothdurft, K. H. (1974). The complete guide to successful business negotiation. Leviathan House.

Chicago Style (17th ed.) Citation

Nothdurft, Karl Heinz. The Complete Guide to Successful Business Negotiation. London [u.a.]: Leviathan House, 1974.

MLA (9th ed.) Citation

Nothdurft, Karl Heinz. The Complete Guide to Successful Business Negotiation. Leviathan House, 1974.

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