APA (7th ed.) Citation

Maggs Bros. (1930). Bibliotheca incunabulorum: A collection of books from one hundred towns illustrating the art & development of printing in the fifteenth century. Maggs Bros..

Chicago Style (17th ed.) Citation

Maggs Bros. Bibliotheca Incunabulorum: A Collection of Books from One Hundred Towns Illustrating the Art & Development of Printing in the Fifteenth Century. London: Maggs Bros., 1930.

MLA (8th ed.) Citation

Maggs Bros. Bibliotheca Incunabulorum: A Collection of Books from One Hundred Towns Illustrating the Art & Development of Printing in the Fifteenth Century. Maggs Bros., 1930.