APA (7th ed.) Citation

Poppe, G. T., & Goto, Y. (1993). European seashells. Christa Hemmen.

Chicago Style (17th ed.) Citation

Poppe, Guido T., and Yoshihiro Goto. European Seashells. Wiesbaden: Christa Hemmen, 1993.

MLA (9th ed.) Citation

Poppe, Guido T., and Yoshihiro Goto. European Seashells. Christa Hemmen, 1993.

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