APA (7th ed.) Citation

Spoel, S. v. d. (1967). Euthecosomata: A group with remarkable developmental stages (Gastropoda, Pteropoda). Noorduijn.

Chicago Style (17th ed.) Citation

Spoel, Siebrecht van der. Euthecosomata: A Group with Remarkable Developmental Stages (Gastropoda, Pteropoda). Gorinchem: Noorduijn, 1967.

MLA (9th ed.) Citation

Spoel, Siebrecht van der. Euthecosomata: A Group with Remarkable Developmental Stages (Gastropoda, Pteropoda). Noorduijn, 1967.

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