APA (7th ed.) Citation

Hamburger, E. (1969). One hundred years of emancipation. Year-book.

Chicago Style (17th ed.) Citation

Hamburger, Ernest. "One Hundred Years of Emancipation." Year-book 1969.

MLA (8th ed.) Citation

Hamburger, Ernest. "One Hundred Years of Emancipation." Year-book, 1969.

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