APA (7th ed.) Citation

Lidholm, I., Lidholm, I., Lidholm, I., & Lidholm, I. (1994). Greetings from an old world. Koch International.

Chicago Style (17th ed.) Citation

Lidholm, Ingvar, Ingvar Lidholm, Ingvar Lidholm, and Ingvar Lidholm. Greetings from an Old World. München: Koch International, 1994.

MLA (9th ed.) Citation

Lidholm, Ingvar, et al. Greetings from an Old World. Koch International, 1994.